Kentaro hates to wear ties but wears one to his sister's wedding to avoid his family's disapproval. kentaro's behavior exemplifies the importance of

Kentaro's behavior exemplifies the importance of compliance. His family has asked him to wear the at tie to the wedding in order to approve of his attire. Therefore, if he will wear the tie, then he will comply. However if he wouldn't, then he would not comply. He wore a tie so his family will approve, therefore, he has complied with his family's desire.