Pairing candy with a drink doesn't need a rulebook. Start with a sip of water, then taste the candy on its own. Notice whether it feels bright, mellow, floral, or fruity before reaching for a drink.
Look for balance
Try a bright, tart candy alongside a mild iced tea, or a fruit-forward sweet with sparkling water. A less-sweet drink gives the candy room to speak. If both are intensely flavored, either one can get lost.
Make it your own
Take a small sip between tastes and see what changes. Preferences are personal, so treat these as starting points rather than rules. Serving a group? Offer a few nonalcoholic options and let everyone compare notes.