His hand went to her hair and brushed it away from her face. He tugged on a stray curl before tucking it behind her ear. This was a woman he loved, and would do anything for. If they got separated now, if the City sent them back home, he'd scour the universe looking for her, extending his powers to the absolute extreme to make sure that they were together.
He didn't say it out loud, though.
"If yer gonna tell anyone, it should be me, darlin. I'm here for ya, I'm yer man. I will always care what's goin on with you. Always."