I don't see any evil in this. I see a lot of myself, as many have.

I'm in shape now, Have a love, and am better looking than I've ever been, but I still can't fathom anybody being interested in me.
Every time a woman shows interest I still have to fight that Old "Must be something wrong with her if she likes me." Thought.
And after I do get to know the girl I'm always secretly looking for proof that she would have loved me anyway back when I was chubby.
I've ended relationships for things girls have said out the corners of their mouths about random people.

I'm just too conditioned toward introversion upon first meetings. I'll go back mentally to the disgusted face of the first girl I asked to dance, or some other early trauma.

I don't feel unconfident about myself after that first part is over with... I'm great AFTER first impressions.

And people say that confidence is key with first impressions, but what they often fail to realize is that confidence doesn't come out of thin air, it's based on successes. And the lack of social successes in my earlier life are still influencing the successes I might otherwise have today.
I don't have a pool of "Good job!"'s to lift me up the way most confident people do.
I have to really work for it and pull it outta my backside.

Aaand I'm rambling...