“They are essentially there to offer positive encouragement and help you look and feel good. They give you attention and make you feel attractive. This can be very appealing, especially if youre not getting that from your partner, or if youre single.

Do women fantasize about their personal trainer?

Personal trainers would be the first call for a fling for 24 per cent of married women. Of the women surveyed, eight in ten said their spouse had no idea about their cheating or fantasies, but 19 per cent — 198 women — confessed they had been rumbled by their partners.