So many aspects are involved in how we see other people. Visualizations, listening, sensing, and communicating are ways we try to understand one another for face value. Social constructs and prejudice can often interfere with the truth behind the eyes and life of one person we glance at from across a room. We can be judgemental towards even our greatest friends. After taking it all in a quick moment, our interaction with other people changes based on the second before speaking.
People have histories and complications because no one is perfection in its' purest form. I have a list making up my personality, background, and characteristics like anyone near me. But the simple act of keeping that in mind helps me greatly when meeting new people or checking in on friends. It is easier to inquire about a person's hometown or a favorite book in order to know them a little better, but when it comes to ailments and mental health it is much harder.
We see a busy individual with intense multitasking abilities and therefore we awesome they are just a hard worker doing too much. Or we see a silent reader next to you in a chair, interacting very little with the world around them and deeply possessed by the literature before them. For you, that may seem incredibly weird and not normal, but that is not always the case. What is normal in ritual for you, for another person may cause them more stress or energy then they want to spend and give. Taking a moment to relax in a chair alone may be absolute bliss for someone with a busy mind or an anxiety disorder. Watching a favorite clip or doodling on the corner of an essay may ease the numb feeling depression can have. Chatting with a close relative or friend about a rough experience or breakdown can help many of those with mental disorders that can often distract from the best parts of life.
Somedays it is easier to judge than to look past what seems odd to you. But the important than you can always do is take that step back and place your thoughts towards yourself. See what it is like to feel the immediate judgment. Judging each one of us for what helps us get by in healthy ways can only worsen our own lives.