hey guys i need help i quit wow cuz of 1 thing im not a good dps in wow i play 360 a lot but when i play wow as a ret paladin not fully epic

but some times ill be 1st in dps meter most time 3rd my friends sed to me in real life u probley dont no witch spells to use i use my area spells and the 1 hit spells a lot is it just me when i say RET paladin arnt as strong as they were lot of people agree with me and every time i try to raid i do shit dps so i get kicked man its bull crap i was thinking i might be a better tank any advice plz help LV 80 RET paladin 1 epic