Some riddles about love include: "What makes grown men cry, but humanity would go extinct without it?" and "What causes a sudden increase in heart rate, a loss of memory and overall brain function, but is not a drug?" The answer to both is "love".
Many riddles are based off of love and romance. A number of these explicitly end with the word "love," while others require more advanced word play.
While the answer to a riddle can simply be called an answer, the term "solution" is also applicable. Either term is usually acceptable, although the type of riddle helps delineate which word is best for the riddle in question.
"Who am I" riddles are guessing games in which the person guessing must identify the person or animal described. When the subject is a person, sometimes it is a famous person in history, someone from pop culture or just a person known to everyone who plays.
What gets wetter and wetter the more it dries?" is an example of a tricky riddle that plays on contradiction. The answer is "a towel."
Riddles for children should challenge their thinking without being too frustrating, such as the following: "What has a face and hands but no arms or legs?" The answer is a clock, which has a "face" with numbers and "hands" that indicate time.
Riddles are essentially word puzzles that use metaphors to describe something very specific. Riddles can also be jokes that are plays on words. These usually take the form of question and answer, for example, "Why was the picture sent to jail?" The answer is that it was...