Confucius (http://en.wikipedia.org/wiki/Confucius) has a saying that at age 30 , you should be independent 三十而立. However, in the era years after the death of the great sage, we gain slightly more than independence at age 30.
I recently like to joke with friends that it is actually quite easy to tell if you (guy) are way fat: when your chest becomes breast instead (it is already at the end stage of the evolution ). Eating is the easy part, passing IPPT and not going for RT is the part which is going to cause heartache.
I officially started having a more intimate relationship with the CPU only when I was in the Uni. I gather that's 10 years later than most kids nowadays.
阿Q精神;Better late than never.