It's a glitch. And what do you mean by "How many years do you have?" Are you asking us how old we are? You can check that by going to people's profiles, I think, unless they choose to hide their birthday, in which case they probably won't reply anyway.
The 41 years thing it is just a site glitch that usually happens. They won't probably fix it because they are working on AG3. And making a topic to know how old we are is spam.