Having a hard time writing own personal bio.?

Answerer 1

Its usual that one finds it hard to brag about themselves. So simply, don’t brag too much.
Depending on what you’re writing your bio for, highlight the major points or achievements. Give a brief introduction about your life, education and experience. Be formal, but don’t let that hinder your creativity. Just be honest about yourself. Most important, don’t contradict yourself at any point. Use simple strong words.
You’ll find google helpful.

Answerer 2

Google other people’s bios and get some examples about how the did it.