I always cheat when I play Monopoly
O yea, why do you feel the need to cheat at Monopoly?
I always have to win at everything I do
Winning isn't everything. It's considered unfair to cheat while playing games. If you continue, no one will want to play with you.
It's just one game.
It's not just one game, you said you cheat all the time at it and cheating at that could spread to other things?