A lot of obsessions fall under the category of OCD or Obsessive Compulsive Disorder.
borrower
Greedy
thrifty
call the police
He sees money as proof of success
Obsessed, perhaps..? Rich! Filthy Stinking Rich I tell ya!
meterologist
meterologist
It could be a chronophile (one who is obsessed about time).
vamp freaks
Lycanmaniac --------------------------------------------------------------------------------------------------------- Lycanophile??
Party pooper?
You !
skull collector
sociopath
Workohalic or social
an astro nut!