yes, you can change your behavior.
you can get yourself to do anything you want whether it's getting over that heartache, waking up earlier in the morning or depending only on God.
yes, this is possible-
when there is no other option.
..when you are unwillingly or willingly placed in a situation where you cannot do otherwise.
sometimes, this is the only way we humans learn.
but God, I pray that I may choose Your will even amongst plethora of choices.