I sure empathize/sympathize with your situation, I hope things work better for you soon. Try adjusting seat height/positions; also try driving with shoes off, this work well for some people.
Use the clutch to engage gears and avoid riding it as this wears it off or so the old wise saying goes..
Drives: 997 Porsche turbo
Stable: Porsche Panamera
'09 e93M(sold), '09 e90(sold)