tree looks unhealthy

I can’t tell if this is unhealthy? 1st photo (with my hand) seems a bit more brown and there hasn’t been too much growth over this season. 2nd better growth and seems healthier? I’ve also noticed sap on the floor around the tree?

Hi guys, I wrote before about the big leaves on my Chinese Elm. I planned on repotting my tree a few weeks ago but haven't got to it yet. I notice my tree has been losing leaves with quite a few dead /yellow leaves on it now. The tree was a gift and...