I Love Him!!!

Ok.......There is this guy named Logan and he isn't really hot but he has a great personality!! I have been texting him for may be about 2 months....but i have never met him face to face. I got his number from my Bff because he was her old boyfriend that she dated for i think two or three days then broke-up because of their differences. So, i was looking at her phone one day and i just put his number in my phone.The next day i texted "Hey, Wat's Up?" to him and he said who is this and i told him and we started to talk. He is a real nice guy to talk to and funny!! But the only problem is that my bff doesn't know we have been talking and he said that he really likes me and that he wants to go out with me some time............What tha hell am i gonna do?! My bff is important to me but so is Logan!! I don't want to tell her ,but then again i do because she has always been there for me!! HELP!!