Possible answers:
(i) If you've tried to connect and haven't heard from your friend, it might be worth rushing through this time. Don't attempt to get back into a friendship with your friend.;
(ii) Sometimes, your friendship might simply become one-sided. Slowly slow down and see if there is anything that needs to be fixed before you recollect the friendship's former glory.;
(iii) Maybe you've gotten to know each other better, or maybe you know things that he doesn't quite know. You may want to try to wrap up your friendship on a more personal level but don't rush out into an argument.;
(iv) In these situations, try lessening contact over time. The person may get the hint that you're not interested in maintaining the friendship.;Choose from options above and answer: What most naturally follows?

How to lose your friend
Try winding down contact.
Sometimes, you and a friend are simply growing apart. Other times, someone is perfectly nice but you're not clicking at friends.
Answer:
(iv)