Don't Sweat the Small Stuff!

I've put in over 12 hours on the Tactics Trainer and I can now notice several patterns and capitalize on them.  I later found out that I opened with Nimzowitsch Defense: Scandinavian Variaiton.  In this game, I recognized checkmate almost a second to late.  My opponent made a good tactical move with his pawn attacking both my rook and knight.  It looked bleak but I saw a tactic to get out, save both pieces and get checkmate.  This game brought home a really valuable lesson; don't sweat the small stuff!  You'll see what I mean.