(idiomatic) never mind, it doesn't matter (it is not important)

to each his own; each person gets what he deserves / to each his own; each person is entitled to his or her personal preferences and tastes

(of a sick person) to stay in bed

(idiomatic) to tan someone's hide [+dative]

(idiomatic) to save face

(figurative) to turn the page / (often reflexive) to turn the tables, to turn the tide

this and that

(idiomatic) to break the ice

agree to marriage, to marry

(with possessive dative, also humorous) one's heart bleeds