5th Write a letter. Write a letter to your friend and joke with him. Finally do not forget to write “PS Do not wear clothes!”
6th Cook. Cook something for yourself or your partner with only one garment to you, but taking care not to burn.
7th Reading. Take a good book, relax and release the mind.
8th Camping. Camping in a sleeping bag without clothes will surely be something new and interesting to you than sleeping in pajamas everyday bed.