I tried to imagine why I should offer myself to a Giantess. Of course there is one simple reason: I would be scared if a Giantess wants to eat me, but I would be much more scared if a Giant wants to eat me. To avoid that, there is only one possibility. I sign over my life to you. The deal is easy: When I sign the contract you give me some more weeks to live, before you call me and order me to come to your house. As a reward for being a volunteer you will give me the final orgasm. And once the contract is signed no other Giantess or Giant will eat me.