I've had so many, but the one that immediately came to mind was

"I was content being married to you, but I wasn't happy."

It took all I had not to tell him to look up the meaning of that in the dictionary.

M36 XH34
M-5 T7
4/11 H confused
5/11 ILYB
6/11 OW discovered
7/11 I move out, OW over
5/12-OW2,done->new EA, but H wont file
9/12 H "best bf ever" to EA/OW3
3/13 H/OW break up
H files 4/13
D 6/18/13