I got a helicopter ride for my 30th. So did one of the other fellows in the helicopter. Though he got it for his 80th. After the ride we kind of strolled back towards the central station talking about the experience. Let's call it a 1.5 km stroll. I'm a tall guy that takes long steps and often, but the 80-year old was keeping up fine.  Meanwhile that fattie is disintegrating at 35