In one sentence, describe what the following article is about: Make sure you look your best. If you haven't taken a lot of care about your appearance around her before, this will be a good immediate signal that you've taken things up a notch. But it's nice to look your best anyway, as it increases your confidence too. You shouldn't suddenly put a ton of gel in your hair or wear a suit when you hang out, but making an extra effort with your looks will make her notice you more and will make her see that you're starting to view her differently. Try to dress nicely when you are around her, make sure you have showered, shaved, and done whatever to make sure you look good. But don't turn up in a tuxedo or reeking of aftershave. Dress for the occasion, and smelling like you've just bathed in cologne is a turn off, not a turn on. Less is more with scent. If you look good, you feel good. Taking an effort with your appearance is a way of saying "Look! I bothered to make myself look nice, and I take care of myself. I care enough about you to dress well." While you may already have a fun relationship, humor can be a path to winning her heart. Try joking around more often and being playful in her presence. Tell her things that are genuinely really funny and help her to see that you're the kind of guy who loves to find the humor and fun in life. Glance at her in suggestive ways, then laugh when she starts looking serious about it (don't come across as a staring oddball).  Find ways to compare your relationship to other funny people you know in real life or in entertainment circles. Even better if these people are romantically attached. Examples of some famous couples brought together by comedy include: Amy Poehler and Will Arnett, Anna Faris and Chris Pratt and Judd Apatow and Leslie Mann. Sometimes tickle games can work but be careful. If you come across as trying to "cop a feel", you're doomed. Moreover, not all girls like tickling. Take your cue from her responsiveness and never overdo it even if she does like it. Be prepared to be tickled in turn. Teasing the girl slightly is a great way to be playful and to flirt with her a bit. Just make sure you don't end up offending her by mistake. You may already be quite affectionate toward one another. However, it's now time to amp up the contact in ways that could be considered flirtatious without crossing the line. For example, aim to touch her at least three times each time you meet up with her. Touch for no longer than two to three seconds (long enough for it to register subconsciously) and only touch her where it won't be uncomfortable, such as her hand, shoulder or neck.  Share food. The act of sharing one another's food when out dining or having a snack is intimate and can increase the chances of closeness. Hugs are good. They express friendship but also help increase the closeness that might help you to become more than friends. Do things for her, like helping her out whenever you can. This could be anything from housework and maintenance to homework and preparing for interviews. Helpfulness is a sign of being considerate, which is very sexy. She'll see that you care about her and want to do nice things for her. Just make sure you don't do everything for her, or she'll think of you as a puppy dog. She should do nice things for you, too. Being useful and helpful does not mean be bossy or superior. If she can do something herself, admire her ability openly rather than suggest you could do it better. Nothing scares off a potential romantic interest than arrogance or belittling. Don't just sit there and nod your head pretending to listen. Girls love it when you listen and take the time to truly understand them. Not only that, but listening will benefit the potential future relationship and also strengthen your current friendship. Show her that you can be boyfriend material by being a gentleman.  When she talks to you, make eye contact and put away your phone or other distractions. Let her see that you really care about every word she says. Avoid interrupting her. Wait until she's finished to say what you have to say. Good ones to remember include her birthday, siblings, phone number, favourite food, favourite colors, hobbies, ambition and things that she has already told you. Write down these important details if your memory is not good; it may help jog your memory just before important chats. This will help her see that you really do care about her.
Summary: Take care of your appearance. Be more playful. Increase the physical contact. Be useful. Listen to her attentively. Remember details about her by heart.

In one sentence, describe what the following article is about: Opening a window is not always the best idea if you’re trying to purify the air in your home. The air outdoors contains a lot of pollutants. Instead, install trickle vents. These vents are screens you place over your windows with extra filters to help remove pollutants from inside while letting fresh air in. Use a disposable HEPA filter with your air conditioner. You can also purchase standing HEPA filters for a single room or use them in air purifiers. Make sure to clean or change the HEPA filter often. Air conditioners can help improve the air quality in your home by removing water from the air, which can help since a lot of pollutants are water-soluble. ACs can also remove other impurities from the air. Exhaust fans in your bathroom help remove moisture from the air. This helps protect against mold. In the kitchen, exhaust fans help remove harmful pollutants from the air. Whenever you take a shower or cook, run the exhaust fans to help remove these things from the air in your home. Using the exhaust fan when cooking can help reduce the buildup of harmful gases if you have a gas stove. If you use chemicals, or engage in hobbies like painting, you need ventilate your house. Open windows, use fans, or open doors to remove any chemicals from the air. If possible, use chemicals outdoors to reduce the amount in the air in your home. Some cleaning products can put pollutants into the air. Look for cleaning products that are fragrance-free. Also look for products that say low VOC or no VOC, which means they contain few or no volatile organic compounds. Don’t leave your car in a garage while on for long periods of time. When a car idles, it emits exhaust that can come into your house. If you are cranking a car and letting it idle for any reason, move it to the driveway instead of leaving it in your home.
Summary:
Improve ventilation in your home. Use a HEPA filter. Use your air conditioner. Use exhaust fans. Open windows when using chemicals. Choose your cleaning products carefully. Remove your car from the garage when cranked.