My rule number 2 is : Learn to say Yes!
When it really doesn't matter, always say yes to players, especially when it encourages good RPing.
They want to jump on top of T-Rex?, give them an easy roll to make and give them no game modifier
Say yes when heroics are involved
Treat your players like heros, in my game the PCs are always the top of the food chain , even when they are first.
Let them gain fame(it doesn't need to come with any other compensation)
A player has a monster he always liked fighting? Bring it on!
after all : What Does It Cost You?