I don’t know what to do

Sanno • 👶🏻🇵🇭 Born on September 12 2019 (37+2) | first child | first slight kicks on May 12 2019 (18+3) | first word: Mama on May 29 2020 (8 months) 🖤🇵🇭 Born on April 12 2023 (38+1) | second child

So my little one is nearly 14 months and keeps hurting my mom, like near her eyes and instinctively, my mom hits her with a bit of force (this has happened 3 times already) and I don’t know what I can do for these two to stop hurting one another....