How long does it take a newly divorced man to get past his selfish phase?

I connected with a man going through divorce several months ago. As the divorce is finally moving towards completion, he is only now expressing that he wants to be “selfish” (his words NOT mine) and focus on himself and whatever he wants to do for himself (ex. Gym, time with friends, etc.). He also said he can’t prioritize anyone other than his kids. On average, how long does it take a man going through divorce to be ready to ALSO prioritize a new partner in addition to their kids? For additional background, he initially presented himself as being emotionally open and looking for love just as I was…