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There was a very close friendship among the three men.

Their relationship was limited to a close friendship for many years.

Thus began a close friendship and professional relationship that would last until her death.

It is clear that, different as they are, the two have a very close friendship.

After so many years of their close friendship, he asked himself why that should surprise him.

We don't form close friendships, not the ones I know.

They developed a close friendship that would last their whole lives.

But that didn't stop us from beginning a close friendship.

I don't think he'd really had time to form many close friendships.

The two went on to continue writing music together, developing at the same time a close friendship.