I also do landscaping on weekends with some mexican kid that I "hired". He's real good because he's 100% obedient to me and does everything I say while never complaining. He knows that I am the man in the relationship and is completely submissive towards me as he should be.
Be determined to not doing it, and you will eventually get used to avoiding the tics. Prior to starting a game, focus deeply and tell yourself to stop and not surrender to the compulsive thoughts.