like a kid in a candy store
(simile) Elated or excited as a result of having many options to choose from.
After I won the Tony Award, the film floodgates opened, so I was like a kid in a candy store. Dan Fogler
I don't sleep very much. I really like to work, though. I feel like a kid in a candy store. Donnie Wahlberg
I'm happy about working; I'm happy about gracing the stage and coming out and making people laugh. I never treat it like a job or feel that way. It's the best thing ever to me, and I feel like a kid in a candy store. Kevin Hart