Just Simple Convoluted Rational Nonsense

Black of night Light of day I used to go But now I stay Summer heat Winter cold I once was young But now am old. Desert dry Ocean wet I used to freeze But now I sweat. Full glass Empty cup I once was down But now am up. Vinegar sour Honey sweet I once was strong But now am weak. Fancy hat Ball cap I once was lean But now am fat. Cool blue Hot pink I used to leap But now I think. String bikini Formal gown I used to smile But now I frown. In time Out late Time now to end This foolish prate.