My first lesson to you is to learn the capitalization rules of English!  If you don't know see

http://www.italki.com/knowledge/page/On%20Capitalization.htm

If you don't understand, ask. :)

First notebook entry: Introducing myself

Hi.
i like to travel and feel other culture!
so i wanna improve my english:)
and i wanna make many friends in the world!!

First notebook entry: Introducing myself

Hi.
I like to travel and understand other cultures!
so I want to improve my english, and I want to make many friends in the world!!:)

hope this helps..first capitalization and try to write slightly more formal.

It looks good it job situations and just anytime you use it.

Like any language there is a time to be formal and informal.