The Greek that is often translated as “affection” in English is translated in Huba as “with one stomach.” This is a close match to the Greek original which uses splagchnon, the “inward part” or “bowels” to express the concept of affection. The English King James Version / Authorised Version translates here as “bowels.” (Source: David Frank in this blog post ).
See also Seat of the Mind / Seat of Emotions and maintain constant love for one another / love each other deeply.