Adventurer Matt Williams on his incredible challenge to be the first person to swim every lake in the Lake District!Matt shares his feelings ahead of the challenge - and how he needs more socks! Then we catch up again to find out how he got on, and the unexpected highs and lows on the journey.Matt's raising money for MacMillan Cancer Support: https://uk.virginmoneygiving.com/MattWilliamsDoesSomeStuff