Husbands not as excited as me ☹

Oly • SAHM who loves movies, nerdy games, music and cooking
So I update him about what glow says everyday and talk about my worries and I can tell he gets annoyed and wants to talk about something else? Why?! Are other men like this with womens first pregnancy? We saw the ultra sound yesterday and he was occupied looking for something and I was like "really, were about to see if everything's okay and you're not even looking?!" Then when the doctor said, do you see it's heart flickering? He grabbed my hand and looked up and when we heard the heart beat I've never seen a smile so big on him. I'm confused or maybe just hormonal