So, both Matthew and I are affirming, in the sense that we do no consider monogamous same - sex relationships to be inherently sinful (though, as you will see, we have slightly different reasons for arriving at that belief!).
Other reasons might be a belief that one is in a monogamousrelationship with a partner with neither partaking in sex outside the relationship, getting caught up in the «heat of the moment» or a desire for intimacy and connection that «only bareback sex can provide.»