Every year my wife and step-daughter throw me parties for my birthday. I tell my wife that she really doesn't need to make a big deal over my birthdays but she always does anyways. While my wife decided to go out for some party supplies, I decided to hang out by the jacuzzi. While enjoying the warm bubbles, my beautiful 18 year old step-daughter walked out in her pink bikini and wished me a cheerful happy birthday! I can't believe how grown she is getting, after all....I feel like we were just celebrating her 18th birthday yesterday, even though it was over 6 months ago. Man does time fly! After wishing me a happy birthday, she asks me for a sip out of my cup. My initial reaction was no, but I realize she is getting older and she is going to want to experiment with things. So I tell her she can, but only if she promises not tell her as I don't want her to think I'm condoning this behavior!