You may. [It's a less insulting context than any other way someone could be asking to touch him for being a walking plant. At least this is for medical reasons.

Syrlya's skin feels much like grass, but thicker. The scar is a little more coarse, and definitely and old wound.

As for his other question...] Both, but most of my energy comes from eating. I cannot gain enough from light to live like this.

[Mobile, like a human. Otherwise he'd be stuck in place like any other flower.] My diet is likely the same as yours, or at least it can be.