I can also means I may or may not. I could, I should, I would...you can't 'could' do anything! Someone either does something or they don't. We need to change our mindsets from the coulda, woulda, shoulda's to I will do it, I have done it! What you focus on expands. If you focus on I could or worse, I can't, then you may not or you won't! I enjoy what Les Brown says about this: "Get it done in 21!"