Not all friendships are for life, and there are plenty of reasons people drift apart. Sometimes distance makes it harder to catch up, or life just pulls you in different directions. But what happens when it's money driving a wedge between mates? Writer Cate Gilpin, comedian Matt Okine and psychologist Rachel Samson explore the friendship wealth gap and how to make peace with it.

The majority of people who stand between you and all manner of natural disasters are highly trained and totally unpaid. It's one thing to sign up as a volunteer to make friends and learn new skills, but many volunteers put their own lives on the line to save others. So how sustainable is a critical system that relies so heavily on unpaid labour, and should they be paid for the work they do?