Even though I have a loving family and never went through these experiences myself, this manga depicts these issues in a way where anyone can understand and sympathize with the characters
All of his overthinking and isolation comes from the fact that was deep down in his mind: "I am not loved nor will I be loved" that born from his parents' divorce, :feelsbadman:
This is what a healthy relationship with proper connection looks like, they do not need to hold back with each other, they can speak their mind,They're so beautiful together.