Sorry, but I'd change... quite a few things.

"It’s not personal, alright? I’ll have to look that way, even just for a few hours" Jane explains.

David’s mood is shuttered, like tempered glass: too hard to be put back together, but no harm for everyone else involved.

One thing is to feel your love is not reciprocated. Another is to hear it crystal clear.

He forces himself not to cry like a baby. There’s still hope: what if he became Jane’s ideal man, aesthetically speaking? Would she be open to the idea of opening her heart’s curtains to this poor nerd friend?

"I’m fine with that. In the end, you said everything’s reversible.".

"Yay!” she exults. “Alice, please, take that fat away, and replace it with some actual muscles. Make his beard and hair fuller, while removing most rough hairs from the rest of his body. I don't like curly brown hair either: make them straight and black. Green eyes would look good with that. Finally, fix his crooked nose and his shallow jaw".

One by one, David perceives a weird pressure traveling along the various mentioned parts of his body. He feels scared. At least the sadness is being somehow filled.

"Done!" Alice exclaims. "Now, if you'll excuse me, I'm going to have dinner".

"Wait, wait!" Jane shouts "what about the body swap transformation thing?"

"There are still three days to Halloween and I'm tired, come on...".