Alternative form of what's your phone number?

Used to introduce, or alluding to, an apt adage.

A children's game in which one player takes the role of the wolf and the others repeatedly ask what the time is, taking steps forward accordingly (so "three o'clock" means three steps forward); finally the wolf calls "dinner time!" and chases the other players, a player becoming the wolf for the next round if caught. Alternatively, the last player to be caught becomes the wolf.

The desired outcome may not be as desirable once it has been attained.

(Internet slang) Used to indicate that something has left one in a state of disbelief or confusion.

(British spelling) Alternative form of practice what one preaches

(informal) To understand one's situation, how to act in that situation, and the results of those actions.

A request for clarification of an anterior statement or question. / An expression of surprise, annoyance, or disagreement to an anterior statement.

(archaic) An expression of wonder and marvel at something.

Who one falls in love with is not a rational or deliberate decision.