but like many things, you think you're awesome (and you look awesome) when you freestyle around the place, but if you actually set a challenge like "I'm going to slalom every one of those trees" you'll really improve ...…"
"hmmmm, It will reduce drag a little because I imagine by sweeping it some wing will be hidden inside the fuselage, and a smaller wing area will reduce drag a bit (lift too).
The wing efficiency will also be reduced though, a swept wing promotes…"