I will, and know her mind early to-morrow;
To-night she is mew’d up to her heaviness.

– William Shakespeare

Romeo and Juliet, Act 3, Scene 4. Lady Capulet promises Paris that she will talk to Juliet in the morning about a marriage between them. Tonight she is still mourning her cousin Tybalt’s death, she says. She is unaware that her daughter is in love with one of their Montague enemies, Romeo, and has secretly married him.