Not sure what to make of his comment?

We were talking the other night, and I made the comment about going on a date just us one night. I talked about the realization that we hadn't had a personal date night since our second was born (to put that in perspective, I am now pregnant with my fourth and my second is about to start Kindergarten...)

He made the comment that it wasn't likely to happen right now until the fourth was old enough (whatever that means and I'm not even due for another four months) and that we're just not at that stage in our relationship right now...

I mean... we've been married over 13 years... What stage do we need to be at to be alone anymore.. 🤷‍♀️🤷‍♀️

-His mom would probably watch them, depending on whats going on... he just refuses to ask...