1.   Over the weeks the friendship turned to love.

2.   They both realised their friendship had turned to love, but neither admitted their feelings.

3.   Friendship quickly turned to love.

4.   Toliver said his close friendship with Force turns to a strong rivalry only when they climb into their race cars.

5.   By carefully examining variables, they know why friendships turn sour and eventually die because some of the central figures snuff out the lively flames of that friendship.

6.   Their friendship turned into a working relationship as well and Nelson started making regular trips to Lithuania.