I started using the Mach 3 when I ran out of razors and needed one right now. I used my guy's razor in a pinch.

I liked it so well that I just went out and got one of my own. Now we can just buy the refill cartridges in larger packages to get a better deal on the price.

The refill cartridges are a bit expensive but I think that because they last so long you really save money in the end. My disposable razors were only lasting me for one or two shaves and then I had to pitch them. I can use the Mach 3 up to eight times before I notice a decline in the blade. 

Of course we each have our own because...