Is it foul for someone to make their partner wait for intercourse if they have already given it up to someone else?

I've seen people like this and tbh I can't help but judge them harshly cause I've realized when this happens, usually it happens to good people that maybe even deserve the intimacy from their partner cause they have all the good intentions at heart but they are kept waiting which as a man that's kept himself clean I understand it but only as someone that hasn't been touch by anyone, I can't help but find it pathetic when they have already done the act with someone far more worthless than the person they are keeping on hold, kinda gives off that "what exactly are you holding onto" it kinda seems like a "I fucked up but i can undo it by punishing someone else"
Is it foul for someone to make their partner wait for intercourse if they have already given it up to someone else?
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