I'm sure he will understand/get over it when he hears what the Box Sherlock did to her. (He might even decide he deserved it when he hears LOL)

Rabbits tapped to John's bedroom ceiling? Do I want to know? 'Cause that's creepy, unless that's one of the cockblock attempts, then Mary might forgive Sherlock for all Box Things that happened LOL

Well, Mary is an assassin, so don't count on it... Duh duh duuuunnnn