How to be more assertive?

How to be more assertive?

I’m always willing to help at my job but I feel myself drowning in work, when I could just say no or ask a nurse to do it herself. I’m a CNA, how can I be more assertive?

I don’t want to take shit from no one else, I want confidence. Can I build this at 26? I feel like a kid, cause these nurses are younger than me telling me what to do.

I’m pretty quiet, and avoid confrontation. I just hope I’m not “slow”.
How to be more assertive?
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