Although there might be uncountable differences between 'U' & 'Me', let us look at the grammatical difference between the 2 pronouns 'you' and 'me'
|Pronoun||First person||Second person|
|Example||This book belongs to me.||You have a beautiful house.|
Types of Pronouns
Personal pronouns are divided into three groups called persons: First Person, Second Person and Third Person.
First person is the person speaking:
I, we me, us my, mine, our, ours
Second person is the person spoken to:
you, your, yours
Third person is the person or thing spoken about:
he, she, it his, her, hers, its him, her, it they, them, their, theirs