Before The Storm-Diane Chamberlain

Alright, I'm about three quarters of the way through my next book. Ive been reading it for a few weeks now. Its taking me to long to finish it, and thats because things happen in it and it makes me question myself.
Its called Before The Storm by Diane Chamberlain. Its a good book, its about a woman who falls in love with a man and they start a family but she ends up with postpartum depression and becomes an alcoholic, becomes preganat again and contiunes to drink and has a baby with fetal alcohol syndrome.
So as Im reading it I wonder if this will happen to me no the drinking or really the depression itself but when she talks about her unattachment to her child. Thats what scares me I have so many issues with getting attached to people so what are the chances Ill have the same issue with my own child? I know Ive become attached to some children one I havent even met in person yet but I mean this does happen to people what if Im one of those people? That scares the crap out of me to be honest. This all goes back to me doubting if Ill be a good mother anyways. I think this was a bad book decision just based on these things. But other then that its a really good read.
-Just a tip if you like Jodi Pocult books you should check out Diane Chamberlian books they have similar writing styles-