Im 13 but been having periods simce I was 11 when my dad buys my older sister pads he always get 2 packs so I just nick ome pack and store it in my draws but im fed up now cos I have to wait till noones around and I share a room:(then I can change the pad but I have a patter my sis doesnt so she always has more pads then me so I nick a few more but im worried that their both getting suspicious so is there a easier way to go aroumd it??