But what about you?

Jesus said to Peter, "What does John have to do with you? YOU follow ME!"
This is really what Jesus has to say to any and all of us.  We emulate other people, in the sense that we look at their general lifestyle, and when they are like Jesus, it's as if we see Him in them, and then we emulate the "right parts" of their lives.
However, when that emulation moves into, "I want to BE that person," it moves us away from our true goal--we want to follow Jesus, not them.  So we follow Jesus, not Paul, not Peter, not Matthew, not Billy Graham, not...(whoever).
Another issue all of us face is the desire we all have for success.  We see someone successful, and then we say, "I want to be like them." And eventually, "I want to BE them..."
The best decision Christians ever make is to emulate the good qualities in their leaders, but to actually follow only Jesus Christ. This is not as easy as it may sound, because the first thing to do is to immerse yourself in the 4 Gospels.  It's there that we see Jesus--who He is, what He's like, and how He acts.  The next step is to "principle-ize" Jesus' life and behavior, and learn to be "Like Him, in your own skin."  You can never BE Him, but you can, in your own way, emulate the principles that motivated His life, and discard the things He rejected.  When you do that, you are doing what every Christian should do--learning to follow Jesus Christ for yourself.  Note that I said, "Like Him, in your own skin."  You have to find your own way in this.  God has a specific design for your life that includes the things I've described, but it still needs to be YOUR life--YOUR skin.  Jesus is looking for men and women who will be this--Like Him, in their own skin.  And that's what He was telling Peter.
Read about Jesus.
Learn about Him.
Study Him.
Practice being like Him.
Follow Him.
Be like Him, but be YOU.