Question: how to propose a boy who already loves you?
Answer: Be Sure You're Ready. First things first. ... 
Be Honest About Your Motives. Don't propose because you want to see where your relationship stands. ... 
Know Thy Mate. ... 
Be Sensitive to His Ego. ... 
Buy a Gift for Both of You. ... 
Think Unique. ... 
Keep It Simple. ... 
Plan for Success.