Supermodel Elle MacPherson’s encouraging bedroom behaviour is set to be revealed in a new tell-all book, reports.

Former Calvin Klein model Bruce Hulse recalls his sexual encounters with MacPherson in his upcoming bed-hopping memoir Sex, Love And Fashion, scheduled for release in August. Hulse, now married with two children, reveals a steamy hook-up with the model at the peak of his career could have turned sour if the beauty hadn’t been so understanding.

The 55-year-old recounts his lacklustre performance in the bedroom with the Aussie stunner, who he says “stripped down in front of me,” before he lost his sex drive.

But according to Hulse, MacPherson wasn’t upset by his inability to perform, choosing instead to propose a platonic relationship. Hulse recalls of MacPherson’s response, “No worries, Bruce ... Let’s just be friends, then,” before claiming the pair later hooked up for one more steamy session under his parents’ roof. The book also details his exploits with beauties Paulina Porizkova, Andie MacDowell and Tatjana Patitz.