It's bad to get your blood on other people.
Cody had cut his finger and it was bleeding a little bit.
Cody wants to stop the bleeding.
Cody wipes his finger on a towel and wraps it in a bandage.
Cody wipes his finger all over his friend's arm and shirt.
Cody's finger starts to heal over the next few days.
Cody's finger gets infected over the next few days, and he has to be hospitalized.