A silent love story...:)

Boy:- Are u good in your A to Z?


Girl:- Yea!


Boy:- Look at these "ABCDEFGHIJKLMNOPQRSTVWXYZ" Which letter is missing?


Girl:- Hmmmm.."U"?


Boy:- Yeah, where did that letter go?


Girl:- I dont know, where ?


Boy:- "U" went inside My Heart