When the Democrats and Republicans hold their national convention, their presidential candidate usually get a increase support in the polling numbers. This is called the “convention bump.”
A pastor gets that same kind of confidence bump from Easter.
It feels awesome to have a packed house. Everyone says good things about you. Maybe you really do preach good that day and you leave naively thinking that everyone will be back next week. That sounds like a setup for for discouragement.
Reality says that success might look like this: