I HAVE A 17 YEAR OLD DIABETIC CAT...GETS INSULIN IN THE BACK OF HIS NECK EVERY 12 HOURS...THE VET & I KEEP IT SHAVED FOR HIM!LOL! BUT HE HAS HAD IT FOR ABOUT 6 YEARS NOW. WE ALMOST LOST HIM BEFORE HE WAS DIAGNOSED. BUT NOW HE TELLS ME WHEN TO GET UP OFF MY LAZY .....& GIVE IT TO HIM! DOESN'T LIKE TO STICK HIS OWN PAW VERY MUCH THOUGH...WE HAVE TO HOLD HIM DOWN..LOLOLO JUST KIDDING...