Why will guys throw their friends under the bus for a crumb of women affection?

This is something I've noticed lately, guys will meet some e-girl online, start dm'ing and get super swept up in the woman and start venting to her, etc. and then will betray his friends for her. I don't understand the psychology of simping and why it affects men so detrimentally. I am asking as a woman, what makes talking to a woman so special that it makes men go against their entire moral code or ditch his friends over them? I truly don't get it. Half of the time they get nothing in return from the women they simp over as well.

Why will guys throw their friends under the bus for a crumb of women affection?
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