Tamara

“Now, if two men have to walk along together for two or three hours at a time, even if they feel a really strong desire to communicate, they will inevitably, sooner or later, fall into awkward silences and possibly end up loathing each other. One of these men might be unable to resist the temptation to hurl his companion down a steep riverbank. People are quite right when they say that three is god’s number, the number of peace and concord. When there are three in a group, one of the three can remain silent for a few minutes without that silence being noticed. Trouble could arise, however, if one of the three men has been walking along plotting how best to get rid of his neighbor in order to make off with his share of the provisions, and then invites the third man in the group to collaborate in this reprehensible scheme, only to be met with the regretful answer, I can’t, I’m afraid, I’ve already agreed to help him kill you.”
― José Saramago, A Viagem do Elefante