The porno movies is here to make you tremble with enjoyment of the most graphic experience.
I could go on, but this should give you the idea. Many others have asked the same question in the past so you may want to find those and read the responses there.
I also remember my father a stake president telling me the night before I got married that every single couple he had counseled through marriage struggles were not reading their scriptures or praying together every night. About two years into our marriage, I got sick of waiting in bed for him to come read scriptures with me.