If you hate the way condoms make you feel during sex, you might not be wearing the right ones, according to sex therapist Ian Kerner, Ph.D., author of She Comes First: The Thinking Man's Guide to Pleasuring a Woman. When picking a condom, find one that fits like a glove, and look for rubbers that are ribbed or ultra-thin. Condoms are highly effective at preventing pregnancy and STIs, so it's worth finding the one that feels best for you. For recommendations on what to buy, click here.