Prayers are answered as if by chance: sometimes we get what we prayed for, sometimes not and sometimes a different outcome that we find acceptable. Even when we do not pray, they same results would occur, each with the same frequency.
he will either say yes, wait or no, and when he says no it is because God knows what is best for us all the time. or: Okay, No way, Another Day. "No", "I already told you" and "Why won't you leave me alone?".