Ughhh... One side is 'too kind' to set boundaries and the other side is too stubborn to communicate in a deeper level. It's so frustrating.
But Shizuma deff more in the wrong. Like with the amount of times he has seen Minato got jealous you would think he'd try to change. Buddy, you're in a relationship, it's not something to gloss over casually(╯°Д °)╯╧╧