Part 3 of our story.We'd been on the island less than a week. Less than a week and I was already struggling to remember what normal felt like.Somehow, we'd stumbled into an Alice in Wonderland world of sexual fantasies. Sexual fantasies come to life and grown big and scary.Not only had I allowed and encouraged my beautiful wife of twenty-plus years to sleep with another man - a young black giant called Louie - but every chance I got, I'd pushed things further.The perfect example being earlier today.Offered a loving, romantic couple's day with the mother of my children, or another debauched day with her and her lover, no surprises at which way I'd turned. The motor cruiser trip with Gemma and Louie had won out - not even a contest!But now I really wondered if I'd finally pushed things too far.It wasn't just my wife's lover Louie on the boat. Gemma had met his equally well-hung nineteen-year-old nephew Marcus. She already seemed besotted and things seemed to be rapidly spinning out of control.Finally back on shore, I had a decision to make. Staying behind on the boat - finishing my ship duties - abandoning Gemma to the attentions of Marcus, or reining back these crazy games ....