I know you'll have done this already but check out some video tutorials on defending. Boras (spelled the sound way and not the fat sweaty gimp way) has at least one really good one, and his voice isn't the equivalent of nails being scraped down a blackboard.

Pick a formation (preferably with at least one cdm) and stick with it through losses as well wins.until you've played say 15--20. Bin if it's ****, keep as a potential formation if you have a decent record. Try not to chop and change. Complete the defensive skill ganes. Remember you'll tilt when in a losing streak so have a cup of tea or a beer or a Chinese or something till you can come back mentally refreshed.

Do the skill games.