A dream of performing an exorcism would indicate the dreamer is trying to get rid of something from their real life - or that the subconscious (the soul) is alerting the dreamer that something...
well it depends its actually the way he acts to you for example is he is playing around with you stuffs like that that means he like you .hope this works !
Mean can mean you are being rude or in math terms it is adding a set of numbers then dividing by the total amount. ex. If your numbers are 1,2,and 3 add them to get 6 and divide by 3. You get 2.