Complex sentence: Double binds can be stressful and potentially destructive when one is trapped in a dilemma and punished for finding a way out, but making the effort to find the way out of the trap can lead to emotional growth.
Split into simpler sentences: Double binds can be stressful and become destructive when one is trapped in a dilemma and punished for finding a way out. But making the effort to find the way out of the trap can lead to emotional growth.