Being a big sister is to love your brother even if he doesnt want it or love you in return. dhavalvadi 4 years ago Being a big sister is to love your brother even if he doesnt want it or love you in return. 1 Being a big sister is to love your brother even if he doesnt want it or love you in return. Being a big sister is to love your brother even if he doesnt want it or love you in return.