If you perceive it to be real, then by all means it's as real as you or I.

[He takes a deep breath and brings a hand to his right eye, the expression on his face sharpening despite his ever-present smile.]

Would it be alright for me to lean on your shoulder for a moment? There's one more thing I would like to try, however, I would rather not topple to the ground like a rag doll in the process.