I jumped a little and stopped the treadmill. My heart skipped a beat.I turned around quickly.

Athena was standing right in front of me with a wide smile on her face.

My eyes widened in shock.

"Athena?" I said, breathless.

She gave me a soft laugh. "Sorry! I didn't mean to startle you."

I stepped back a little, still catching my breath. "You... you scared me."

"I didn't know you'd be here," she said, still smiling as she dropped her gym bag on the floor next to mine.

"Neither did I," I replied, ...