Has anyone gone through this in their relationship?

We have been married for 6 years and we’ve never had this problem, but lately when my husband and I get started in the bedroom it takes him longer to get hard. I can rub on him, kiss him, whatever...but it’s taking him longer than usual to get hard. He used to get hard almost instantly just by me doing nothing! I’ll eventually ask him about it, but I wanted to know if anyone else has been there and what it is that might be the reason.

I should add, he’s only 34, so I’d hope at that age it isn’t ED or anything to do with age.