Do you think you can change a major characteristic of your personality if you try?

Thank you. Please take note below the following corrections I made.

T.STACY

YOU SAY:

Yes, I think if I try to change my a major characteristic of my personality.
Maybe it takes a long time.

>> Yes, I think I can change the major characteristic of my personality if I will try. But it will definitely be along process.

Actually I am a person who can\'t satisfied about many things.

>> 

Actually, I am a kind of person who cannot be easily satisfied with material things.

I am a Christian but I couldn\'t appreciate to God.

>> 

I am [Name] but I don\'t think I am able to appreciate God.

One day I heard through the broadcasting one idol singer said she write one thankful thing every day before go to bed.

>> 

One day I heard one of the singer that I like, she said she writes one thing that she is thankful for before going to bed.

>> OR: 

From then on I write five thankful things every day before go to bed.

>> OR: 

From that then on, I started writing 5 things that I am thankful for before going to bed.