Focus on early racket preparation, getting behind the ball, and guiding it back with controlled pace rather than hitting hard to allow yourself time to recover.
This covers a common tricky area in padel, the backhand corner defense. The coach explains why getting the racket back early is essential before you even decide how to play the ball. He also emphasizes getting behind the ball and simply guiding it back when playing off the glass, which is often counter-intuitive but very effective for giving yourself time to recover.