Don’t try to prove anything to anyone. Be humble. There are more atheists than all the others religions united; most just don’t want to come out as one fear of reject. They prefer to live a double life.

Trust your instincts.

Stay away from other atheists. Hang out with people who are still interested in understanding the world around them.

Youtube: Search for "atheist" and watch everything. Especially: Sam Harris, Chrisopher Hitchens, Dan Dennant, Richard Dawkins,... Fur shur: Matt Dillahunty, Aron Ra. Aron is just wonderful.

The more people you listen to the more you will know, even if you do not like the particular person's style.

Douglas Murray is also essential.

Look up famous atheist on youtube

Live your beliefs, but don't wear hem on your sleeve.

You may find yourself, at some point, going through an "angry atheist" phase. This may last a long time. It's when you realize that mainstream society hates atheists. You may feel sad and terrified at first, but then it gives way to getting pissed, in my experience. This may cause you to fight everyone on the subject of religion and belief, and you may burn a number of bridges. This can sometimes be a good thing. But my advice in this regard is just think twice about which bridges you are burning. There may be regret later. There may be relief, but there may also be regret. So just spend a moment considering which is more likely before the bridge is burned.

Other than that, welcome to reality!

Being Atheist/Agnostic is being free. Enjoy your freedom, and don't waste time being pissed off at a god you don't believe in.

Relax, feel free, consul your inner lovely self if needing guidance.

Challenge all preconceptions for their rationalistic worth. Sort out the prejudicial and irrational thoughts and evaluate them for their rational value. This process will help you recognize reality.

Iron Chariots--Google it