1) Not mocking Tania - mocking you. Thinking isn't your strong point, is it? It isn't even a joke - the stress you have caused that woman has undoubtedly shortened her life. That's entirely on you. Live with it, or don't.
2) You're tho one who brought up the subject mothers - by referencing James's mother. If you don't want to bring the subject up then don't bring it up, but don't be a pissy little potato and whine when your own shit comes back at you.