Solids

Soooooo my older sister is coming to visit with her 6 kids to meet my newborn baby, (she lives 8 hours away so we don’t get to see each other) he’s 9 weeks old and my sister keeps saying that when she comes over that she’s going to be giving my son Solids because he should be on them by now but I told her the doctor said to wait until 6 months but she said she started her kids on solids at 6 weeks old and not to listen to the doctors!!!! Just had to get that off my chest I don’t know what to do if she tries to give him some though!!! She’s just not listening to me when I say I don’t want her to.