RE: Attitude on the Ground?
Keep in mind that runways are only so long.
Keep in mind that when the wing is trying to hold the airplane down and you unstick it with the elevator, you will be in discovery mode. You are about to find out just how well the elevator can pitch the airplane up.
Sometimes they come up nice and easy. Sometimes they rise like PROUD MARY!!
( I once saw a woman attempt to do a Tina Turner impression. When she got to the part in the song where ALL HELL BREAKS LOOSE, she got a bit out of control and fell off the stage. Seems an appropriate image to this discussion.)