I mean, it will be a constant companion from now on.

For the next week they remained constant companions, despite the fact that no one else saw anything.

He had a sister, who was a child too, and his constant companion.

If he's going to be my constant companion we'd better get to know each other a little.

The computer had been her constant companion for the past two months.

The presence that had become his constant companion was gone.

A constant companion is his best friend who he killed some time in the past.

He is the constant companion of a little boy called Peter.

From a young age the girls become best friends, sisters, and each other's constant companion.

They were my constant companions when I was a child.