It's important to note that "-ly" is a suffix that is added to adjectives to form adverbs. In this case, the adjective is "unhappy," and adding "-ly" creates the adverb "unhappily."
It's important to note that "-ly" is a suffix that is added to adjectives to form adverbs. In this case, the adjective is "unhappy," and adding "-ly" creates the adverb "unhappily."