He felt warm from the inside out and flushed brightly when he realized it was caused from Tony coming inside of him. With a soft whimper he worked himself carefully against his friend's prick, trying to milk it like he'd asked. Oh dear, he just knew when Tony pulled out some of the other man's come was going to ooze out of him and it was a strange but slightly arousing thought. That, and he also decided one day he wanted Tony to pull out just at the last minute and jerk off onto him.
But for that moment he just whimpered and shuddered, enjoying the sensation.
"Feels so warm. Jeez." Steve shook his head a bit, eyes closed, his fatigue finally catching up to him as his muscles ached and he relaxed.