The silence is that place were coming the personal space (i don't know if call personal space in ingles or exist one word for it). The other people don't know respect our personal space for don't understand that need time for ourself. Normally, The other thinking that the personal space is egoism. And that we does emigrate that a other place doesn't be disturb.

I hope have written everything well and that my message is understood.

Salve