Does anyone else's kindness get taken advantage of?

I've noticed this a while ago, that people take advantage of kindness, shit... even on here they do, they just use mfs for sympathy, i had a few drinks so rn i just don't give a fuck, y'all can read a bit on how I think, they come to you when they are down, consume all your good energy throw all their bullshit on you and walk out with a smile and leave a mf carrying their bullshit, I can surely see why people are shit to others, I can understand the anger and frustration, I believe I've swallowed enough of it and I believe I've reached the limit, I just gotta stop giving a shit about people, I believe I've put people over myself long enough and I'm picking up the pieces of people and putting them back together so they can be happy, for what? It surely only fill my head with their bullshit and makes me feel bad for them, maybe I should just let em rot, maybe they deserve to rot, mfs are ungrateful and maybe I should let them drown in their own misery, to prove my point I know most won't even read this far cause it's simply just too long, I'm not much of a venter but I've realized I was much happier when I stepped on people to get to the top, it was much easier and just brought better results.
Does anyone else's kindness get taken advantage of?
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