Remus was pretty sure that if Sirius ever found out what he was doing, he would be signing his own death warrant.
Still...
"I'm uh, glad you came," he told her as he rested his hands on the table, fingers toying absentmindedly with the cuff of his jumper "I wasn't sure you would,"
He scanned the stacks nervously for sign of Padfoot and he allowed his inner self to smirk slightly at that. Had to get the laughs in before he died.
"I'm sorry Mary. I wanted to wait, I tried really. But all I could think about was you - kissing you in the first snow fall at Hogsmeade and I had to try."
He glanced down as though shy and peered up at her "I do like you. A lot,"