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.
Arba mes tampame niurzgomis su amžiumi, arba tai reiškia, kad geriau suprantant juoką, ir tai vis geriau sekasi, nepakanka vien girdėti žmones juokiantis, kad irgi juoktumėtės.