ok Seriously!!!!

Ok SO I work with this woman who I totally thought was 28 maybe 30 turns out she has 2 children in their 20's and then, had her tubes CUT & TIED!!!! well guess what happend a few yrs after that she got pregnany not once not twice but THREE TIMES with her freeking tubes tied!!!!!!!! HOW THE HELL is this possible!!!!!!!! I walked away from the conversation thinking humm maybe i should gte my tubes tied maybe I will have better luck!!! Maybe everyone that is having problems should do it. ( kidding of course)