Years and years of practice, obviously. That and the fact that he just radiates real-ness probably helps as well.

He pauses a moment, looking around at the assorted people and portals scattered around the Nexus. Pulling in a deep breath, he lets it out in a slow sigh, closing his eyes for a moment before opening them again. "But I'm thinking I can spare an hour. To be honest, this is the first time I've been anywhere but at the tower or on a mission in months. Seems like a good chance to catch my breath."

Personal time may not be high on his list, but Steve knows when to stop for a moment. After all, burning out isn't going to help anyone.