Why do people act like you don't need money if you are single?

Employers act like I don't need money because I am a single man, no wife, no kids and I got my own house. I don't have to feed a family.

But wait, if I don't work, who will pay my bills? How can I put food on the fridge? How can I go to hospital? How can I wear clothes? And this is just basic.
Why do people act like you don't need money if you are single?
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