[ Mycroft didn't need to hear what John had to say about this he already knew.]

Allow me... you are going to leave me for Sherlock. I must admit you aren't the first of my...

[ He gave pause here, unsure of what to call what they had been doing all this time.]

... lovers to leave me because of him. You wouldn't even be the first to leave me for him.

[ He moved to pour himself a cup of tea and had a sip.]

I assure you I am perfectly capable of remaining civil when we see one another after this point.

[ That was as close as Mycroft was going to get to " We can still be friends."]