I would like to experience casual sex, but worry that my pursuit of women is immoral

I'm a single man in my 40s with two long-term relationships behind me. How do I fulfil my wish for casual sex at least once in my life without feeling bad about it? I am a single man in my early 40s who was raised by loving parents to take love (and sex) seriously. As a result, l get emotionally attached to the women I have sex with and, so far, have had only two long-term, monogamous relationships. Before I can commit to another serious relationship, I feel I need to experience casual sex - at ...