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And when those things go unnoticed repeatedly, it can make you question whether your effort even matters.

It definitely made me feel unappreciated and, honestly, a little resentful.

Resentment usually shows up when you're giving more than you're comfortable giving but saying nothing about it.

I eventually stopped overextending myself and became more honest about what I could actually do.

That probably helped you see whether they valued you or simply valued what you were doing for them.

Yes. Their reaction told me a lot about the situation

Sometimes setting a limit reveals more than another hundred acts of sacrifice ever could