Can boys and girls be JUST friends...

...without someone developing feelings for the other? In some cases it may be yes. There's some people who are really good friends and they have no strong feelings toward the other. In my situation the answer is no. So, I've got this friend of mine let's just call him *Bob. Now *Bob has gone through some pretty tough stuff in the past couple of months (his parents are going through a nasty divorce etc etc) and I've been there for him. I'm a friend that he can lean on. Well it seems like everytime we talk he starts to flirt with me, says something really sweet or asks me the question "can we ever be more than friends?" I always answer with a "not so sure" or "I'm not ready for anything serious yet." Those things aren't complete lies. I've had my heart broken one too many times and I don't want to go through that again. I do not see *Bob the way he sees me. I feel like I'm partially to blame here because when we started talking I was being flirtatious and cute. It's all because there was this jerk in my life previous b4 *Bob and I'm guessing I had some sort of void to fill. I don't know. I feel really gulity for using *Bob like I had in the beginning. And I feel that it's to blame for him liking me so much. I just don't know what to do. He's a nice guy but he's not really my type. I'm thinking about coming clean to him but I know that's probably going to devastate him. I feel like I have got to get this thing off of my chest. I just have no idea what to do.