I did go there no question and not good for showing detachment BUT (and its a big but) it was brief and lasted a few minutes or so and I knew that all it really means us that she's joined a gym and started a diet. Everything else is just mindfluff on my part.
No question I need to detach more but I'm doing a bit better. I really think having a good interaction with MIL has done me a lot of good - lifted a bunch of angst.
Both mid 30s, 2 young kids BD 7sep14 XW moved on long ago, now living with OM1 D paperwork in progress