The psychological case implies that a female cannot survive even a few days without having a male companion. Or it also implores that a female simply gets bored of the male fast and seeks a diff companion on a weekly basis
The Second Case Being out of pure Choice:-
In this case the female simply chooses to hop from dick to dick simply because she doesnt want to be committed to one dick.
"yo man i just broke up with my girl last week and shes already with another dude...we were together for 2 years"
.yeah man sorry about that but shes just a total dick hop"