I tried to look at the situation as detached as possible - from the point of view of intelligence. so to speak applied a scientific approach. and this is what I get:
Mom's body, having tasted the son's sperm during the breakdown of protein in the stomach, decided that it had found a supplier of a valuable resource and began to make constant "setups" for the mother, as well as make hints.
please do not consider me crazy, I do not just separate mother's personality and mother's body - I mean the subconscious, which is closer to the instincts and biological needs of the body, while the personality is somewhat abstract in relation to the body. when the personality is in harmony with the body, that is, it monitors the health of the body, then such cases almost never happen and the body obeys the personality almost without problems. (in general, where two fight - the third profits. mother's personality and body are at war - the son profits from this. but a son is better than a stranger, right? where the personality gets along with the body - it turns out a whole person who is very difficult to manipulate)
I saw this in the RHC, when Adrianna was also with a clouded mind and could not control her own body, as in the sex scene at the end of fragment 23.
so here - the body found a supplier of sperm and began to play its "games of thrones" - hence the pain in the back - after all, pain as such is signals in the brain and nothing more. it is the brain that interprets signals from receptors as either pain or pleasure. so the body played a trick on mom. the case when excessive faith to cheatful husband is also bad. Mom was too faithful to her husband who cheated on her with work.
the human brain is an electrochemical computer. and its work is influenced by both the chemical intracellular balance and the electric field. why is "truth serum" possible? precisely because the work of the brain can be controlled, including chemically - not only by the base of accumulated knowledge stored in the brain.