Valentine's Day is on monday, should I break up with my boyfriend?

I recently started dating one of my good friends and love him very much as a person, but I am not sure if I feel the same way as him. We have been dating for a month, and rushed quite suddenly into it, with flirting online for quite a few months, then one night (I had been thinking how I would like to get him better more and maybe go on a few dates) when we were joking about how I liked someone and he was asking if I knew anyone who liked him. He then proceeded to tease me, and we flirted until finally he asked me out. Since then we have only kissed once (cause he was sick with strep) and have only gone on a few dates. I've stayed with him to see if it will grow into something more (as it is still quite soon) but I feel like I'm not fully attracted to him even though he makes me laugh and I am happy/comfortable around him. I'm also not sure if I am in a relationship for the sake of being in a relationship or I am really ready for one atm. I feel like I am never going to meet a guy who I can fully give every part of myself to, with a good relationship/physical attraction between us. I also feel that things were rushed and "declared" a relationship between us to quickly. But I am also a coward and from previous experience sometimes it hurts to much to be alone (especially on Valentine's Day) but I feel as someone who I respect and know I wouldnt want someone to do this to me, I should tell him how I really feel. What do you think? Am I a cold hearted ***** for wanting to break up with him, or do I owe it to both of us to break it off or at least slow things down... I so confused and I just don't want to hurt him. :'(