"I can still be hurt and feel pain. I more-or-less have the same senses as I did with flesh." At least, that's what he's landed on after discussing it with Ava. As long as pleasure is the absence of pain, he does feel that. "The marrow decomposed at a similar rate to the rest of me, so unfortunately no. Everything that I am is entirely contained within my spirit, which is in turn contained in my skeleton. And finally, no, I cannot drown."

Actually, really good questions! Usually, every answer is "magic," plain and simple.