"Laughter, getting short" << No need for a comma, darling.

"From all you loved. . . " << you've would sound better, I believe. But, you does work just fine.

"Remember all you felt" << Once again, you've would sound better.

It's a great poem, with wonderful meaning. I love it, darling. There were a few things that I thought needed working on, but overall it was good. (:

Keep it up.

"Laughter, getting short" << No need for a comma, darling.

There is a comma because I pause after laughter when reading it.

I prefer you "Remember all you felt" If I were saying it to someone wholly I would not say "Don't you remember all you've felt?"

You've did not feel right, but it is all in the reader, thanks none the less.