come to

appetite comes with eating

Starting an activity increases one's desire to continue it.

as they come

As it is possible to be.

blow to kingdom come

To totally destroy (something); to annihilate or wipe out (something).

burn that bridge when one comes to it

To anticipate dealing with a problem or situation either by acting in a manner that alienates or cuts ties with others, or merely with the expectation of encountering trouble.

Christmas come early

Something very delightful or fortunate that is happening or has happened, especially earlier than expected.

come a cropper

To suffer some accident or misfortune; to fail.

come a long way

To make significant progress.

come again

A polite formula used when one has not heard or understood what has been said, or to indicate surprise.