Sometimes she liked to think about what would happen if one of them fell beside her, jogging with her.

They would occasionally steal looks at one another and sometimes catch the other person checking them out, at which point they'd smile at each other.

She imagined them heading into the park, jogging across it. It would be quiet in her fantasies with no one else around.

Suddenly, he'd stop - her mystery man - and he'd grab hold of her hand, turning her toward him. They'd ...