What is your view on a guy who breaks up with exes, says to them he doesn't want any further relationship but keeps in touch with them in a regular basis, like chatting, videocalling or even hanging out? Why would a guy want to do that? Would you advise a woman to get involved with someone like that? If yes, the what should a woman expect: is this a person who is polyamorous? Who just wants fun and sex with new women while keeping the exes around to make sure he can go back to them if he ever wants a relationship in the future?

Particularly if a woman is not that attractive (like a 5), has a low N-count, does not keep in touch with her exes, should she get involved with someone like that or just avoid the situation because it would cause mental damage?

EDIT: also would like you to consider if it was the opposite, that is, the woman keeping in touch with the exes.