I turn 20 in a couple days, but I always wanted to try to do the deed with someone older and someone I don’t know. Given that, I pulled the trigger last night and am now planning on meeting a 25 year old lady. I’m not a virgin, but I’ve only done it twice before with my ex, and I’ve never tried with any other person.

My concerns are: What happens if I don’t like them in person? I’ve seen their pics and face already, and they have seen mine but what if one of us don’t like each other in person? Also, how to practice safe sex? Of course, I already asked about this and they said they have done it with 2 other people, but they could be lying. To be safe, what are things I need to do/know to avoid any STDs and the like?