Why do people nowadays think that you dont matter in friendships unless you're the one that tries to keep in touch and maintain the friendships?

It makes me feel like I’m so desperate to be their friend, attached, clingy, worthless, unimportant. Am I too ‘different’? Why do people forget things and move on with their life so easily? I tried a lot to be a good friend to every people I met in my life

What should I do

Why do people nowadays think that you dont matter in friendships unless you're the one that tries to keep in touch and maintain the friendships?
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