She just shook her head , indicating that she was serious . " It 's a staple of baseball history , " he added . " Wrigley is older , " she pointed out , accepting his firm kisses as reward for knowing her trivia . She 'd been married to him long enough to pick up on something at least .
According to the above context, answer the following question.
Why would the man kiss the woman ?


He is happy with her baseball knowledge .