The Purpose of my Blog

I was thinking, "What the heck should I do with my blog?" I was thinking about making 2 blogs. One for the stories about myself, and one more for the public..I feel that I need to make a public blogs, so that I know what people are thinking about my own opinion. This is because sometimes...I can't accept a direct critics from others, so I was thinking about an indirect critics from others. Probably I can evaluate their critics without refusing them in the first place.