I've started 4 projects in the last 4 months and am not more than 25% done on any of them. I wish I could concentrate better so I can spend more time on them, I

I've started 4 projects in the last 4 months and am not more than 25% done on any of them. I wish I could concentrate better so I can spend more time on them, I really wanna see at least one make it.