BBC Sounds, Music, radio, podcasts.

Hello, I'm Kimberly Wilson. I'm a psychologist, and in my new podcast, Complex, I'll be your guide

through all the information and misinformation that's out there about mental health.

I'm joined by expert guests covering topics

from people pleasing to perfectionism,

burnout to empathy,

to find tangible advice

so we can understand ourselves a little better.

Complex with me, Kimberly Wilson.

Listen on BBC Sounds.

It's approaching mid on the banks of the seven,

and in the space of a few seconds, the flow of the river changes.

So we got this huge body of water in front of us, yeah?

When you consider the force of a tide to turn that body of water in front of us, yeah? When you consider the force of a tide to turn that

body of water immediately, yeah, within a second. This is Richard Cook, food producer, fisherman,

a riverman and a proud seven-sider. Many fishermen years and years ago, yeah, a lot of them couldn't

swim. So they tie themselves of a rope to a tree because if they were fishing or fell into the river, they at least wouldn't float off, you know? And, you know, floating off could mean on the push of the tide, you could drop in at Gloucester and you get out at Ashilworth, yeah? Which is two miles up river, you know. A lot of power, a lot of energy in this water, yeah.

It's a tremendous force of nature, yeah.

The reason we'd gathered on the banks of the seven last spring,

so late at night, was what that force of nature was bringing through the river.

Two or three years ago, near Bermuda, 4,000 miles away, in the warm waters of the Sargasso Sea,

adult eels had gathered to spawn, possibly in their millions.

...