How beta do you think it is if a guy is willing to raise another man's kid and would rather be "daddy" than hang out with his pals?

He spends a lot less time with his friends after he started dating her. He can't take jokes anymore and starts pouting and leaves if his friends points out its a bit cucked to raise another man's baby while he and his girlfriend don't even know where her ex is

How beta do you think it is if a guy is willing to raise another man's kid and would rather be "daddy" than hang out with his pals?
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