David Brin

It is only when you watch the dense mass of thousands of ants, crowded together around the Hill, blackening the ground, that you begin to see the whole beast, and now you observe it thinking, planning, calculating. It is an intelligence, a kind of live computer, with crawling bits for its wits.

Studies show when people yell, they get themselves even angrier. Interesting factoid: If you and/or your partner's heartbeat becomes higher than 100 beats per minute during an argument, you will not be able to fully understand/process what the other is saying.