sweetowen: What would you do (& please answer this HONESTLY!) if your best friend was attracted to someone, but they were attracted to you?
I think it would depend how strong his attraction was to yours.
Being best friends doesn't mean that one should let the opportunity of (what could be) a long lastin, great relationship, pass you by.
Just being attracted to someone, doesn't necessarily mean, that someon is attracted to you. In this case, then the "best friend" should probably focus her attention toward another direction and wish you well, and remain best friends.
Another point, there are a lot of women and men, who are attracted to certain individuals, but - that does not mean, that certain individual returns those same sentiments. Therefore, friends, best friens, family or whoever finds themself in this situation, should realize this, wish the other party(s) well, and move on. This should not interfere or upset "truly" best friends.