"A few chapters back, Sarah tells Abraham to get rid of Hagar, and Abraham says “she’s your slave.  She’s your issue.  Do whatever you want.”  In other words, you’ve already trafficked this Egyptian to me, I’ve already raped her, I don’t give a shit.”  But now, oh, but now.  But now there is a son involved, and so now, this jackass seems to care..."

(but not that much...)

"You’d think maybe Father Abraham would at the very least clue Hagar in to the fact that the boy will not only be spared, but greatly blessed.  Even if he didn’t give a shit about Hagar’s trauma (this is her second banishment, after all), he’d at the very least want to reassure her and the boy that every little thing is gonna be alright.  Well, you can invent those conversations if you want to, but they’re not in the text..."