Tobias Hill

As a child, l was fascinated by gemstones in the way that small children are fascinated by dinosaurs or trains. Stones seem very physical and look like sweets. You can look at them microscopically and imagine things about them.

Self-indulgence is something to watch, but anything that helps you understand situations that are difficult to understand is good. If you're having some sort of emotional trauma, you need to find a person to talk to about it who says, 'This is quite normal; it's fine.'