Interesting offer

A wicked djinn appears and offers you immortality. You do not age, you cannot die, you don’t require the usual things humans require to live (air, food, etc). If you are in any way immobilized/incapacipated for a longer time, you teleport unbound and awake to a random place in vicinity. No loopholes at all.
Do you accept it?

Imagine all the toy languages you could design in your head while you’re suspended in void for eternity after the universe has ended.