SmooveMooves
Master Don Juan
True... both genders evaluate present sexual market value and evaluate investment in relations over time.
There was talk about interest level declining above, now, it can be discussed that monkey branching by either gender is that effort to "correct" or get relational needs met once again. Especially, if intimacy, communication, and a connection in chemistry has gone astray.
Temptation and forbidden fruit in the garden of Eden is hard to say no to.
We don't stay in relationships that continually make us unhappy, or not happy enough (hint: see infinite options, via social media, exes, orbiters, OLD, frequency of cold approaches).
I actually study social dynamics and human romantic interpersonal communication at a research university. Once you start looking at studies and scientific research involving this shít, things start to make sense. You are right.