“Sweet, so would I: Yet I should kill thee with much cherishing. Good night, good night! parting is such sweet sorrow That I shall say good night till it be morrow."
On Romeo's wedding day, both Mercutio and Tyballt dies. Mercutio is killed by Tybalt and then Romeo kills his cousin-in-law due to anger.
“And for that offence Immediately we do exile him hence: ”~Prince
“God knows when we shall meet again. I have a faint cold fear thrills through my veins That almost freezes up the heat of life: I'll call them back again to comfort me;-- Nurse!--What should she do here? My dismal Scene I needs must act alone.-- Come, vial.--”
Juliet takes the vial and everyone comes in to see her "dead" body laughing upon her bed. It's a sad day for everyone who is unaware.