We are married for 18 years. Happily married,high school honeys. I love het to bits,and respect her very much. We are both proffesionals with a hectic schedule. We have intercourse about 3-5 times a week and she orgasms about 90% of the time. When she dont reach a orgasm she tells me so, and ask me to stop. She is a very honest person and religous. BUT.... Once in a while, say once in two months, i wake up during the night with her masterbating. The bed shakes, she's heavely breathing and her hand is between her legs. The problem is that she denies it happened. I told her that its not a problem for me as we have a very healthy sex life. I do it too once a while if i am stressed and cant sleep ( She knows). To make a long story short....I am confused why she denies. I dont have a clue how to handle this tiny thingie, but i hate the fact that there is this area of our relationship which is not sorted out. Thanx in advance