I love it, but prefer the spelling
Candice.
Candy is a cute nickname, though not inevitable. It could be used in childhood, but dropped in favor of the full form if the bearer decides that
Candy is too childish or sweet. That said, the only
Candice I've known was never called
Candy.
The fact that I like
Candice so much and that
Candice sounds enough like my own name that people on the phone pretty frequently mishear my name as
Candice has made me think that if my name weren't my name and if I ran into it when it was newly popular and not dated, I might have liked my own name.