Why do you think we lose physical interest in past lovers?

If we were initially interested in them, whether it be for a few days or many years, WHY do you think this passes after you break up?

Do you think that it DOES in fact have something to do with inner beauty, and that because you have learned who they are as a person and it how they treat you, that you have lost interest in them all together?

Or could it be that after a period of time, our tastes just simply change?

Or, maybe it's another reason.. What would you say it is?

Do you still fancy the person physically, after splitting with them, or do you lose all interest, and if so, why?
Why do you think we lose physical interest in past lovers?
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