I'll try to keep it short. DH has two DC from previous relationship and I am currently pregnant with my first.
He has always said he only wants one more child. He's been upfront about that since the start and I've always agreed. Being an only child myself I've never really been bothered about babies and having lots of them.
We also took a long time to get here. I ended up having a problem fertility wise and it's been a heartbreaking, emotional, rollercoaster getting to this point now that we have both said if/when it happens we never want to go through all that again.
However, now I'm pregnant and it's getting closer, I'm getting so sad at the thought that this will be it for us. I can see myself already leaning towards wanting to try again in the future even if it's hard again. I feel so upset at the thought of our baby being grown up one day 
I don't know if that's normal?! He's not even here yet!!!
I know DH is absolutely done though now and I thought I'd be the same.
Do I mention it to him now or do I wait and see if this passes once baby is here?!