She may view your influence as a threat to her bond with her child, leading her to "assert dominance" to prove she still matters. Signs Your Will is Being Bent
The next time she came over, I made a conscious effort to assert myself. When she started making comments about my choices, I calmly and politely told her that I appreciated her input, but I had made my decisions carefully. I explained that I valued her opinion, but ultimately, I needed to make my own decisions. mother in law bends my will
"That doesn't work for us, but they’d love to go Saturday." She may view your influence as a threat