Jerne was regularly unfaithful to his wives , and while he was not physically handsome , he attracted women by his charm as a conversationalist and his skills in the arts of love , which included a liking for sadism .
He was regularly unfaithful to his wives , and even though he was not physically handsome , he had attracted women by his charm as a conversationalist and his skills in the arts of love , which included a liking for sadism .