english: Now, either we're all just becoming really grumpy as we get older, or it may mean that as you understand laughter better, and you are getting better at doing that, you need more than just hearing people laugh to want to laugh.
non_english: Ili postajemo mrzovoljni sa godinama, ili može značiti da što više razumete smeh i postajete bolji u tome, treba vam više od ljudi koji se smeju