strictly business

Justin is becoming an ice cream connoisseur.

con·nois·seur; \ˌkä-nə-ˈsər also -ˈsu̇r\ noun, obsolete French (now connaisseur), from Old French connoisseor, from connoistre to know, from Latin cognoscere — more at cognition.
1: expert; especially : one who understands the details, technique, or principles of an art and is competent to act as a critical judge
: one who enjoys with discrimination and appreciation of subtleties connoisseur of fine wines>

Part of his desire to make the best ice cream, means that he must taste test different flavors wherever we go. This is Pumpkin ice cream - and it was tasty!!