My (35F) wife said I (37M) can go ‘see a chicken’ if I want to have s-

Context

We’ve been married for 8 years and together for 12. We always had a really good s- life until our child was born 3 years ago.

I understand that s- life is not going to be the same after a child, especially since we don’t have any family in this country (we are both PRs).

She also went through some terrible PPD (depression) which we worked on overcoming together. For the first 18 months after our child was born we had no s-.

In the past 18 months, her PPD has improved and we make it a point to get a babysitter and go on at least one date a month. We also had s- occasionally, like once in a couple of months. Again, no complaints from me. I love her and understand she might need time.

We went on vacation last week after her parents agreed to babysit during their visit here. She was super excited and said she couldn’t wait to be with me and for us to have, in her words, a lot of s- again.

It was a 3 day vacation and on the first night she said she didn’t feel like it. The second night too, she said nope not feeling it. I was a bit disappointed which she picked up on immediately. She asked what’s up and I said nothing and let’s watch TV.

Then she says “You know I’ve changed. I don’t know when I’m going to want to have s- like before again. If you want s-, go see a chicken I don’t care”.

I was taken aback and said I would never do that! She said okay whatever and was visibly upset for the rest of our trip. We got back yesterday and she said she didn’t want to talk about it.

I’m kinda sad and want to convey to her that I love her and don’t see her just for s-. I told her as much but she didn’t seem to think it was genuine.

Is there a way I can handle this better?