it’s not just the lawyer, it’s also her siblings (particularly sisters), her friends, her co-workers, and likely others who she knows
In my situation, my FIL and I got along great. The MIL, on the other hand, always complained that I wasn't working in a higher up financial institution (stock market/bank)... I have always suspected she had a lot to do with my ex cheating.
Sorry to hear, and yea, the peer pressure is pretty much unbearable...that’s the key difference between our societies and the traditional ones.