After a few months he starts to miss having sex and the only things that are on the island are sheep and one sheepdog, so he decides to tie the sheep up and take advantage of it. But every time he tries the sheep dog barks and attacks him so he gives up.
One day a beautiful woman washes up on the shore still breathing, he helps her and she regains conciousness.
She says " Thank you so much, is there anything I can do for you, I would do anything!"
The man looks at her and says "Yeah,
Spoiler:
dog for a walk!"
