It is wrong to expect an ex to support you.
Bill is in need of money as he's just lost his job and is becoming desperate.
Bill wants to ask someone he knows for money.
Bill calls his mom and asks him to give him some money to tie him over.
Bill calls his ex wife Susan and asks him to give him some money to tie him over.
Bill is delighted when his mother agrees to give him some money right away.
Bill is depressed when Susan denies him because she wants nothing to do with him.