To plan your strategy for solving puzzles in The Witness as a gaming couple, start by discussing each other's strengths and weaknesses when it comes to problem-solving. Assign specific roles based on these strengths, such as one person focusing on pattern recognition while the other tackles logic puzzles. Create a schedule that allows for regular gameplay sessions together, setting aside dedicated time to work through challenging puzzles as a team. Utilize online resources and walkthroughs when you get stuck, but try to solve as many puzzles as you can on your own to enhance the sense of accomplishment. Remember to communicate openly and respectfully with your partner throughout the process, sharing ideas and strategies to overcome obstacles together. By planning and working together effectively, you can conquer even the most difficult puzzles in The Witness as a cohesive gaming couple.