1.   By the way she patted his hand, or glanced at him, Russell wondered if the friendship had deepened.

2.   It takes a lot of courage to be honest, and many friendships have deepened because of honesty between the people involved in a situation.

3.   Still, as the friendship deepens, the landscape of the correspondence widens.

4.   The friendship deepened during regular visits to the woods and further evolved when Yost joined the Braves coaching staff.

5.   Their friendship deepened over time, Hamilton introduced his mother to the first lady, and the women hit it off.