It took me less than half a lifetime to realize that regret is one of the few guaranteed certainties. Sooner or later everything is touched by it despite our naive and senseless hope that just this time we will be spared its cold hand on our heart.
I thought my life was mapped out. Research living in the forest teaching and writing. But in '86 I went to a conference and realised the chimpanzees were disappearing. I had worldwide recognition and a gift of communication. I had to use them.