He waited exactly fourteen minutes. Then decided that she had thought better about pursuing the acquaintance, gathered the papers from the table. Left a few dollars (careful not to leave foreign currency) on the table, and slipped out of the dive bar...

... only to see her still standing there. He didn't get too close.

"Should I return inside and wait for you there?"

He would, too. If she needed space from him for a longer time, he would give it to her - it was her decision.