I would think that was a perfectly acceptable way to show desire once in a while.

Then there are the times when he should initiate the First Bed Contact, by reaching for you.

Then there are the times in which it is sorta mutual.

My H gets a little in this frame of mind, too.
"The one who wants sex the most has to do all the work and all I have to do is lay here and be willing."

22 months sounds wonderful!
I had a "borderline" result with BabyPot too. I think I just had the tests done too early. I went back several days later and did them again, and it was all clear. I'm saying my prayers for you and your sweet babe.

H.