In one sentence, describe what the following article is about: When it comes to hair extensions, quality is key.  Hair extensions are often made from real hair, but can also be made from synthetic fibers. In terms of quality, authentic extensions are the better choice. They last longer and look more natural. However, authentic extensions are pricey and may not be within your budget.  If you want longterm extensions, ones that you want woven or glued into your hair, you may want to spend the extra money on real extensions. For best results, get extensions directly from your stylist and have them designed for you. You want extensions to look natural, so you should have them colored and shaped for you hair type.  If you're looking for extensions you can take in and out, which you will not wear all the time, you may be able to get by with synthetic extensions. There are two types of synthetic extensions: Toyokalon and Kanekalon. Kanekalon extensions have more fiber, meaning they're more resistant to heat. If you plan on styling or curling your extensions, go with Kanekalon. Toyokalon are not as easy to style, but may last longer. Before making a purchase, you want to make sure you know how long your extensions should be. Hair extensions are attached to the center of your hair. You should measure the length of your hair from the center the the tips. Then, add the number of inches you want to this number. This should give you a rough idea of the length you should buy.  For example, say you want to add 5 inches of hair. The length from the center of your hair to your tips is 10 inches. You would want extensions 15 inches in length. Keep in mind where the center of your hair falls depends on your hair type, as well as torso and neck length. Therefore, it's a good idea to ask your stylist for a length recommendation before making a purchase. You want to get a sense of how much extensions cost before making a purchase. You do not want to overpay for extensions. However, you should be suspicious of extensions are priced too low, as they may not be high quality.  Real hair extensions tend to be very pricey. A partial head of extensions will cost between $400 and $800. A full head of hair extensions designed to just fill out your hair will cost between $1,300 and $1,600. If you want to fill out your hair and add length, the cost will be $1,600 to $4,000. Synthetic extensions will cost much less. Things like clip-ons or hair flips are particularly cheap. While synthetic hair is not recommended, it's a decent option if you're on a budget. It's a good idea to buy extensions in a store, so you can make sure they're a good match for your hair color and texture. Visit a variety of local salons, beauty stores, and department stores and see what types of extensions they sell and for what prices. You may want to talk to stylist at your local salons and ask for suggestions based on your hair type.  As stated, real hair is going to cost you more. However, you may be able to find cheaper, synthetic extensions. Price ranges may vary slightly from salon to salon and store to store, so look out for minor differences in prices. Do research on a salon before settling on it. If prices are lower, make sure the salon still has a good reputation. Low prices may indicate poor quality. Also, call a variety of salons and ask about added costs. The cost of attaching the extensions will vary. In addition to paying a lot for the extensions themselves, there's a cost of labor you should consider. You may be able to find cheaper extensions online. If there's a brand you like at a local store, see if you can find it at a discount price online. You may also find stores online that sell extensions that are closer to your price range. You should be sure to do some research before making an online purchase. Read user reviews to make sure that type of extension has a good reputation.
Summary: Go for quality extensions. Calculate the length you need. Learn the typical costs. Compare prices in the local market. Consider buying extensions online.

Your partner should accept you for who you are and your parents may not be able to see beyond the age difference. Once your parents see that your relationship is healthy and that you are a better person for it, it will be easier for them to see beyond the age gap. It’s easy to get swept up in the allure of dating someone older or younger than you. Look ahead and see if the age difference will affect you in any way. Your parents may be fearful that the age gap may widen as your relationship continues. A difference in age may be more of a big deal if you are younger. Your parents may be fearful that you are growing up too soon or that an older partner is taking advantage of you. A big age gap if you're a minor and your partner isn't may also be illegal. Take their perspective into account when continuing your relationship. If your partner is your professor or boss, it’s prudent to know the rules. Your parents may rest easier knowing that everyone is protected from any legal actions. Understand that being in a teacher-pupil relationship can get the teacher fired and, depending on your age, even jailed. This is one relationship that is better to be put on hold - for both of you. If you truly love each other, you can wait until both of you are adults, and you have graduated.
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One-sentence summary -- Ask yourself if you feel like yourself around your partner. Keep perspective. Understand any power dynamics.

Problem: Article: Combine a 50/50 mixture of baking soda and water in a bowl and mix until it becomes a thick paste. You will need enough of the paste to completely cover the rust, so keep the bowl, baking soda, and water nearby in case you need to make more.  Baking soda is generally best at minor rust removal. Severe rusting may respond better to other methods.  Add a squirt of lemon juice to the paste for strengthened removal properties. Dab the paste on a brush or sponge and apply it to the rusty bike. Do not scrub or remove the paste immediately: it will need time to set and break down the rust. Let the paste sit for about 10 to 15 minutes. The baking soda paste should be thick enough to evenly coat the rust patch without dripping off of the bike. Using a plastic scrubber or steel wool, scrub the baking soda solution. As you scrub, you should notice the rust breaking down and detaching from the bike. If you do not notice this, add more of the baking soda paste to the bike and scrub with more force. Use a toothbrush as an alternative if no scrub pads are available. After you are finished scrubbing, leave the baking soda on for about 10-15 minutes to reach stubborn rust. Then, wipe off the paste with a dry microfiber cloth. Make sure the bicycle is completely dry to prevent further rusting.  Store the bike in a cool, dry place to keep the rust from returning. If there is still some rust left over, repeat the same process again or try another method.
Summary:
Mix baking soda and water in a bowl. Put the paste directly on the rust for about 15 minutes. Scrub the baking soda with a scrub pad. Wait about 10 minutes before wiping off the baking soda.