<human>: Give me the gist of the text in a nutshell

Ok the situation is this:

My friend really likes me, and made this awesome valentine for me. Unfortunately I don't feel the same way. She brought it up last spring and I hated to have to say no because we were such good friends. Now, of course as it's valentines, she's bringing it up again for a last ditch effort. 

Now I hang out with her a lot, more than many of my other friends sometimes, but I can't say that I've ever had the butterflies. I've been suggested by other friends that I haven't necessarily given her a chance, but I mean we've hung out alone and in groups for almost two years now.

The catch: I'm about to bail for a study abroad for four months. I think even if I was cool with giving it a one date shot or something, it wouldn't be fair because I would be gone in less than a week.

Still, I feel like I just honestly don't have those feelings for her, and that forcing myself won't help the situation, and that I should probably just be honest. I've got a message for her, letting her down gently, but I can't decide to send it.
<bot>: Friend has like me for 2 years. Turned down once, she is asking a second time and I'm leaving the country for a whole semester in a week, should I try something when I don't feel the same way?