He finished the job in slightly more than an hour.

Tsuyoshi is my best friend.

He is a very strong person.

His strength comes from his mental power.

He has abulia, and lacks decisiveness in everything he does.

He demonstrated strong willpower to overcome the difficulty.

They (referring to women or girls) are my best friends.

I didn't think he would come.

It's important to believe in yourself.

He always supports my opinion.