Warren Buffett's Experience With Anti-Competters

I was always thinking about below 10, it's really a nice price. But I'm not buying more because they are already kind of around my target size. It is the decent business at a really attractive price. And I'm looking more in the second category right now. Although it's really difficult for me, but I'm really trying to fight my own inner self in this one. Because I really need to change it a little bit with my mindset towards this.