What did the monster ask his sweetheart?

Q: What did the monster ask his sweetheart?

A: "Will you be my boo-tiful forever?" 👻💕

Explanation: This playful question combines the monster's spooky nature with his affectionate feelings for his sweetheart. The wordplay on "boo-tiful" adds a humorous touch, as monsters often use the term "boo" to scare people. By asking this question, the monster is humorously showing his love and hoping for a forever-lasting relationship with his sweetheart. The ghost emoji 👻 further emphasizes the monster's charm and adds a delightful twist to the riddle.