Im having friend troubles someone help me?

I know exactly how you feel,i just went through the sane thing with my former best friend. It turns out 2 weeks after he said he wanted to be friends again he changed his mind. This person sounds like they are not a positive influence. I used to do bad things with my friend,and id be lying if i didnt say it was alot of fun. But after me and him stopped being friends my life dramatically improved. I personally think you should let thid person go.