Uncontrollable laughter

[Ifeelabitweird]

I’ve been with my partner for a few years now and when we were having sex earlier today, I got this terrible urge to laugh 😮. I’d already cum and was aware that he was nearing his ‘moment of glory’ (his words 😁) when I got this urge to laugh, I tried really really hard to suppress it, but it just burst out of me, like unstoppable! Needless to say, he was put off!
This has never happened to me before (I’m in my 50s), or to him
Does this happen to anyone else? I’d like to control this but I don’t know how! Any suggestions?

When I first started having sex I would laugh right after we both finished

Anyone who calls it a 'moment of glory' (with I presume an appropriate cum face?) should rightly expect their partner to laugh. A lot. :)

Been there. Done that.
I'd guess it's a similar mechanism to being tickled.
Reassure him that it's involuntary and you're having a good time, and if he's not ok with that ...

I went out for a couple of years with a girl who laughed hysterically after she came. The first time it absolutely freaked me out but once she explained then I was very happy to take it as a compliment