Nevertheless, he was drawn into several bitter quarrels and harboured longstanding grudges. Often the opportunity was seized to settle private grudges and feuds. Feuds can be due to personal issues, money, or disrespect, and grudges can last generations. In some cases the war was also an excuse to settle private grudges and rivalries. One wants to repay kindness and forget grudges. Yaten is egotistical and nurses grudges, and hates injury. He is quite stubborn, and is given to holding grudges. Repaying grudges is short; repaying kindness is long. Adultery means little to them, and they hold no grudges. So there's no reason to hold any grudges. He negotiates with them and persuades them to let go of their grudges. Kannaiyah grudges against Thambi, vengefully waiting for his turn. Others have stressed the roles of disaffection, grudges, and personal links. Ertegun started lifelong grudges against Leiber and Stoller, and his relationship with Wexler was damaged. Coworkers described Farook as quiet and polite, and said that he held no obvious grudges.