Differences and similitudes between Tracy & Chee Seng

The boy of the book Chee Seng and the girl Tracy are teenagers with some problems in their lifes.

The two teenagers have separated parents and this is a problem for their lifes. The story about Chee Seng happens in Asia  and Tracy's story happens in USA. 

They have some friends at the begining but when you read more in the case of The Best of Times? you can see that Chee Seng and his friends are distancing and the same happens in the film Thirteen with Tracy and her two friends. They meet a new friend and they go with him or her. 

Chee Sengs meet Ka Ting and Tracy meets Evie.

The way of Chee Seng to have fun  is going to parties with his new friends and his girlfriend, and Tracy is going and have some fun with boys.

The two teenagers liked to study and do their homeworks but later they were playing videogames or going with friends to drink and other things.