Don't do anything unless he tries to hit you. If he tries to hit you, run. If you can't run, beat his ass, then run.
You don't want to get in trouble. I learned the hard way
Don't be thinking it will be strong because of who designed it.
Don't think it will be weak just because it looks like it is.
We'll see how it actually holds up.
I think someone said earlier that a larger diameter downtube won't change the flex, which isn't true.
Don't ride smaller bars, just ride oversized bars. You wouldn't believe the difference.