Why do guys always screw me over?

So this just happened to me… again, so they make it seem that they are completely in lub with you and then Facebook: soandso so is in a relation with entergirlthatisn'tme. And just when I thought I was going to start crushing on this guy :P But the thing was right after we were done talking the relationship status came up O.o
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Ok, ladies (sofar), to elaborate, I am perfectly fine with being friends it's just that as friends we need our boundaries, and no me getting confused O.o
Why do guys always screw me over?
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