50K miles. I've done my fair share of redlining. I typically try not to bounce the limiter though (probably done it a handful of times).
I find that 1st and 2nd gear redline pulls are just the thing I need to get me revved up
I wish my wife was that easy
It's my DD, so I don't beat on it all the time. But it's rare that I don't have a few 5K+ RPM shifts on my daily commute. Only a few times have I ever done multiple redline pulls in a row. Normally, I like to beat her just a bit and then give her some tender loving. Kinda like the bedroom