I gave my son money for his career but not my daughter
Why didn't you give money to your daughter?
I feel that my son is more likely to be successful than my daughter.
Its ok to not want to pay for both kids. You should apologize to your daughter because she might be jealous about not getting money and supoort.
My son will do fine but my daughter will not.
It doesn't really matter, you should believe in your daughter too and give her just as much money.