Beware don't make the mistake I did!!!!

Well first off I started to do a spark plug chance because I just bought the car and what I figure would be a 20-30 min job turned into a 1-2 hr job. Well I got 3 plugs in and out and on the 3rd one I try to put the boot on and it just won't go on well apone further inspection I found the rubber peice that was in the spark plug socket that grabs the spark plug in the spark plug tube on the spark plug well I had to remove the valve cover and spark plug tube. And this was hell!! Don't use a spark plug socket!!!! Just use a normal socket!