Not a problem and it seems like the two have some solid reasons being how they are too which is nice. Lee's used to overpowered people. His adoptive brother and nephew along with some fights he's gone up against on his own have been rather...unfair but he's able to adapt. He didn't live this long if he couldn't.

I can see Lee sparring with Margulis to gain some knowledge of how to fight more effectively in the city. He won't betray someone he lives with under the same roof that's for sure.