While its nice how you think of your ex's mom, you admit you left her son over a year ago. Splitting hairs, if you left her son, shes not your mother-in-law anymore.
My ex husband and I have been divorced for years. His mom stopped being my mother-in-law when we split up.
On the other hand, my ex and his wife see my mom more than I do - it make things uncomfortable to the point Ive given up with my mom. Hope your ex is fine with you talking to his mom
I just clued in the fml said he realized he sent the text to his MIL minutes after he sent it - god thats an awful long time to clue in and check who he sent the message too - god Im tired lol
1. What does the brother-in-law have to do with anything? How is your name relevant at all?
2. Sending a message asking if someone is horny is not a "love message".