Iranian men are just mean, it is kind of seen as weak to be gregarious, and it is a rule that the oldest son is explicitly favored, so I imagine that between the ass beatings and the constant praise, he would kind of end up like my uncle (having a uneasy relationship with his parents) even though he is on the whole a good guy, I can believe that Jon lacked Empathy in his early career, god knows Arin is the perfect sack of spineless and nippy to activate retaliation. Frued may have been a Mother Fucking Kike, but he was not wrong that a lot of who you are comes from your early relationship with your parents, Jon is fat because people from the middle east never stop eating, you wake up have some yogurt, eggs, flatbread, and eggplant(8AM), figs and apracrots as a morning snack while either entertaining or at someone elses house (in a given week I would bet money that Jon's Father had or was at an ethnic brothers house 5-6 times a week) then more bread and meat for lunch(1PM), then for the afternoon heavily salted sliced veggies (Tomato's and Cucumbers being the most popular options) and then they might seperate for dinner and have something normal like Almond Chicken or Lamb and Rice. There is very little mystery to Jon once you understand that He is an Iranian