Win 1 of 35 Octonauts DVD prize packs Essential Kids

Prize: Each of the 35 winners will receive a pack containing:
Octonauts Shiver Me Whiskers valued at $19.95 each
Octonauts Desert Island doodle and sticker book valued at $9.95 each
Each prize pack is valued at $29.90. Total prize is valued at $1046.50.
For your chance to win reply below with the answer to the following question in 25 words or less: why would you like to live underwater?