"I'll give you options to choose from," Marc said. "I know you like research so try looking up Wing Chung. It's a good one for people with smaller frames. We can go in that direction if you think it'll work for you. But that's for next time. Today we can do basics."

Please ignore the part where Marc had noticed a detail about somebody's preferences and bothered retaining that information for later. Again, this implies that he cared about people and everyone knows he does not do that.