@krypt3ia @taylorlorenz entirely likely.
If he's been suffering from back pain, and those pins/screws in his body - I suspect he's probably been in a very dark place + pain med-induced psychological isolation?
If this is the first few months he's felt well enough to do all of this, hypomania sounds seriously plausible.
I mean - I simply go on a house-cleaning binge, but one person's house-cleaning mission can vary, I guess?