Fit Chick?

The woman immediately sensed what he was thinking and, laughing out loud, she quickly added “What must that sound like; what must you think of me? Don’t tell me, I already know!”

“Let me put you straight Mark”, she continued, recovering from her laughter, “I’m a fitness instructor at the FitChix gym a couple of doors away. I genuinely do need my energy, particularly if I’m going out later.” But she couldn’t help another laugh as she added “who knows what I might get up to later!”, followed by “oops, there I go again!” as she tried to compose herself.