I'm so obsessed with someone that it hurts. I try to act like them and talk like him. I think not so many people know how this this person or how they are so I feel like I have the chance to "be him for other people"?

If this person was say....... Michael Jackson or Johnny Depp or Brad Pitt then what would people say? They would probably beef up their security and have you arrested for impersonation and stalking. Stop trying to be someone else and just be yourself!

So you're unoriginal?

So, it would seem the grass is always greener . . .

Is your current situation that dire that you seek escape by becoming someone different? This is often the case for this mentality.

We all have those people we look up to growing up, but if we continue to mimic them we miss an opportunity to find out who we really are.  The best thing to do is stay away from them or move away if you are an adult . . . It will hopefully teach you to fixate upon yourself . . . Discover what you like and what truly makes you happy.