Does this seem strange? (Situation in description)

My father-in-law seems way too interested in my breastfeeding.

My FIL and I have always had a pretty strained relationship (like he has with basically everyone). He’s a self-proclaimed a**hole. He’s a narcissist, thinks he’s never wrong, thinks he knows everything and is the smartest person ever. He’s also very harsh and judgmental. This has caused us not to be very close or speak to one another very often.

Anyway, after our son was born, things seemed to get better. I thought he was maybe changing. He still doesn’t talk to me sometimes, but when he does he always has questions about my breastfeeding. At first I thought he was trying to be supportive, but the questions have gotten more personal. He asks if I’ve found nursing bras. When I said no, he asked what I was using then made comments about how it was probably hard to find bras since my boobs are so big. He asked several times about how my bleeding after delivery was. He asked if my breasts leak between feedings, if my son latches well, if he sucks too hard, if my breasts hurt, if my son grabs my boobs while nursing, what I use on my nipples so they don’t crack. Some of these things seem very weird to me. I’m a private person, and my own mother doesn’t ask me questions like that.

He’s not just doing this because he’s uninformed. My MIL breastfed 3 of their children, so it’s not like he doesn’t know. He usually makes these comments when my husband isn’t around or is engaged in another conversation. Just wondering if this seems normal to others?