He laughed at her tentative approach, but Tony glanced over her shoulder at Cap and for just a second there was a 'v' creased between his eyebrows and the corner of his mouth twitched like he had forgotten he was smiling. It was desperation, and it was gone nearly the same moment it appeared, for Tony to return Cassie's grin wholeheartedly and invite her into a careful hug. She could have been as delicate as her porcelain Elizabeth.
"Here," he said without lingering, looking busy already by the time he pulled away to dig a card out of his pocket. "This--" Wrong card, flip flip-- "This is my cell. If you need anything, or if you just want anything, if you want a jungle gym made of rubies, it's a phone call away."