Do I serve Remy Martin Fine Champagne Cognac that comes in black bottle. Cold? Mixed? Room temp?

run the glass you are using, should be a snifter, under hot water for a few seconds to warm the glass. pour about and ounce and a half of room temperature cognac in the glass, smell, sip, enjoy, repeat!|||Ruin good cognac by chilling or mixing it and I will come over and bop you over the head with it. It should be warmer than room temperature so that a little evaporates and can be sniffed before you sip. The heat of your hand should suffice,|||Should be room temp. Mixing and / or adding ice should be a decision made by each drinker.|||at room temp after warming the snifter