The bachelor help. learned how "not to take care of" from living with her younger sis

In a commercial during this show, what did a woman say she learned how "not to take care of" from living with her younger sister?

Bills
Laundry
Contack lenses
Relationships

Thanks

Contact lenses
Bausch & Lomb Renu
NOT Protects against scratches

~NOT~Prevents lenses from drying out