Does God want us to be happy?

Greetings All,
I was talking to a friend that I am mentoring last week and he made the following statement:
“You know that God wants us to be happy.”

I went into mentor mode and challenged him to back that up with scripture.
He said:
“I don’t know but I am sure that it is there somewhere”

So I challenged him to find the scripture and to get back to me.

I thought that it would also be a good challenge to my friends in blog-land.

So, what say you?

Does God want believers to be happy?

Please back up your answers contextually with scripture.

Looking forward to hearing from you.

Take care,BCII