How old are you? (Please correct me0 We usually consider the birthday date to answer to this question because everybody shares the same time reference. In fact, the response is not as simple as a mathematic count. Our brain and our body can have a different age, and especially not the civil status one. First, illnesses and injuries can have both a bad impact. But the most important point is how we feel. Young children always want to do new things they can’t because of their age but they think they can. The same thing but in the other way for old people. How old am I? I’m 5 or 10 when I’m watching a cartoon, I’m 50 when I have to do an important choice in my life, I’m xx because I’m not a sport man, but much all the time I feel I’m about 25 and it isn’t a mathematic count which will make me feel different.