Hey Hey Suba,
if you aren't spending time with her in person, than you don't really know just *how* attracted to her you are. You should meet her, see how it goes, and if you still really can't get over her weight, than drop her. By the way, are we talking overweight (i.e., something that can usually be easily remedied with some discipline in diet and lifestyle), or obese, (something that will be really, really difficult, possibly impossibly so, for her to take care of?)
Anyhow, meet her and see what happens bro.
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We are Taiyozoku, the Sun Tribe!