Excited SO

I love my SO with all my heart. I never thought I would ever have any more kids with anyone. Here's the thing, he has been driving me NUTS lately with how excited he is. I'm only 5 DPO and he has been asking me every day since I got my positive opk if I'm feeling preggers yet and asking if I should test. Don't get me wrong, I LOVE how excited he is, but I am over here trying to not get my hopes up bc I don't want to be disappointed again and his excitement feels over the top and kind of stressing me out. Idk what to say to get him to calm down a little.