Well when Halo 4 was released I played it aton and became very good at it or maybe my skill transfered from Reach. Then 2 weeks ago I got a copy of Forza Horizon and became addicted to that. After beating that game I am back to Halo but all my skill is gone and I honestly suck. What do you guys think I should do to improve? I always thought SWAT was a good learning tool because it forces headshot skill. Any other suggestions?