Better to take out frustration on trash can lids, pot lids, and yourself, than to cross that particular line with someone else. You're a good man to show such patience with her, and if it helps, try to remember all your ups and downs before you found the right balance of medication. Maybe it's just that, and think of all the bonus points you will receive if you get her to that point.
Oh, and a belated 'yeezh' on the break.