in your glory

in (one's) glory

In one's happiest or most fulfilled state when in the midst of a certain activity. Look at John flipping through all this used vinyl. He's in his glory right now. I think my mom was in her glory at the quilt convention. I've never seen her so giddy.
See also: glory

in your glory

in a state of extreme joy or exaltation. informal
See also: glory