Perfect Lover by Penny Jordan

She had found passion in Gareth Simmonds’s arms. For one brief moment, in sun-drenched Italy, Louise Crighton had been able to forget her hurt at seeing the man she thought she loved fall for someone else.

Ashamed at her unexpected — and uninhibited — response to Gareth, she had gone out of her way to avoid seeing him again. But now Gareth is back, as attractive as ever. One question burns in Louise’s mind: Does Gareth still suspect that she’d used him as a substitute for another man?