Mary: *invites ex-boyfriend who clearly still has feelings for her and continues to not only keep contact but make passes at her to she and John's wedding*

John: k

Sherlock: *kisses supposed girlfriend in his flat that John no longer lives in whilst John is visiting*

John: wtf the fuck is going on here what is this shit what do you even think you are doing?? ? when did I say this was okay wtf mate I can't even with you right now this is so fucking stupid dumb stupid wow