Hello dear I share your concern You might have injured vaginal wall due to water jet and subsequently you have reduced it s sensitivity Pain during or after sex warrants detailed evaluation this condition is known as dyspareunia and could be related to chronic irritation and subsequent inflammation of the vagina Another possibility is hormonal imbalances or age related vaginal dryness In my opinion you should consult a gynaecologist and a psychologist for confirmation of diagnosis Meanwhile please follow these guidelines Use lubricant during sex maintain good hygiene make conducive environment for sex and enjoy it spend quality time with your spouse thanks for your question wish you good health