swallow the pill

be forced bow to fate cross the Rubicon face the music have no choice know no alternative leap into the breach pay the piper seize the opportunity stand up and take it suck it up take it take one's medicine take the rap

be punished bite the bullet come to grips with face the facts face up to face up to it grin and bear it look square in the eye make one's bed and lie on it pay the piper take one's lumps take one's medicine take the consequences