I have exactly this family structure. I am also into psychoanalysis. I read a random PhD thesis which compare children with stutter and children without stutter from the perspective of kleinian psychoanalysis . I find it eerily accurate. It hypothesized that stuttering is caused by a strict superego. I am more familiar with lacanian psychoanalysis so I will interpret the result from this perspective. In my interpretation, I think the thesis is that the overprotective overbearing "motherly" big other is never replaced by the more symbolic fatherly big other, so for people with stutter ,the castration never occur fully. So for people with stutter, they would generally have problems with separation and symbolization. For example in the interview in the thesis, the author let the children with stutter tell stories, the author notice that the children have difficulties separating the characters for example there are very few dialogues, sometimes mutiple characters are grouped together and all perform the same action together, gender differences and differences between parents and children also tend to be ignored. In my own experience I have a certain hidden intense hate on any power differences. Hidden aggression is also noticeable, for example in one story when the main character is inhibited by his mother, the hidden aggression later translate into explosion. In my own experience I have many imagery that exhibits these two traits. For example I have many imagery of flood and fire, it is violence by total non-separation. I also have many imagery of cut and slash which is violence by total separation. I also notice that I have a lot of dreams that I am just arguing with someone. Finally i want to quote this quote by Bion which is quoted in the thesis which I find to be extremely relatable. The patient feels the pain of an absence of fulfilment of his desires. The absent fulfilment is experienced as a 'no-thing'. [i.e. experienced as a physical object]. The emotion aroused by the 'no-thing' is felt as indistinguishable from the 'no-thing.' The emotion is replaced by a 'no-emotion'...'Non-existence' immediately becomes an object that is immensely hostile and filled with murderous envy towards the quality or function of existence wherever it is to be found' (Bion, 1970/1983a, 19-20). I do actually have obsession with void and I also find murderous envy towards existence somewhat accurate.