Am i being too sensitive??

Lauren
*sorry it's kinda long* I'm 23 weeks and My boyfriend and I have been together for three years now, our pregnancy wasn't planned but we were still excited!! My mother bought him a few baby books for expectant father's, and while I didn't expect him to read them cover to cover, I thought he would at least pick one up. But he hasn't, no matter how many times I ask him to, he says he doesn't think he needs to. He was there for his sister when she had her first son(when he was 17), so he says he knows everything he needs to know already. I feel like it's different being his own baby now. I feel like he could gain some insight on how to help me through the ups and downs because it's been a rough pregnancy. And It would just be nice to have the extra support. He also is a little rude about going to appointments with me. He doesn't complain about going, but he will put head phones in or play a game on his phone, like he would rather be doing something else. It's making me feel like I'm going through this alone, but I also know that he's not a very emotionally open person and I don't want to force him to be. Am I just being too sensitive?