Short Answer: "You're a hoot and I'm owl yours! 🦉❤️"

Explanation: The owl said this to his sweetheart as a playful and punny way of expressing his love. By using the word "hoot," which is often associated with owls, and the phrase "I'm owl yours," the owl is showing affection while adding a touch of humor. The owl emoji 🦉 adds a fun visual representation of the conversation.