If nothing happens after we die, what's the point of it all?
We spend our days bound by endless obligations. Yet, even with loneliness, failed relationships, and soul-draining work, people still manage to catch a glimpse of happiness. Why?
IIRC, the nihilist position is that there is no point, and the way I've chosen to interpret that is that it means we are free to personally define the point at any time, and for any length of time, as we please. The pointlessness lets us custom design life to fit our needs and desires, if we can minimize getting caught up in "you should do this and be that" external mentalities that may be incompatible with our natures. This seems like one of many correct paths to life satisfaction.
Of course, part of the battle is discovering what's in your(you in general not you specifically) nature to do and be, and then having the courage to see it through no matter what influences around you are saying or doing that may contradict it. The other part being unlearning incompatible mindsets that may have been fed into your mind when you were younger; authority figures anywhere in, and in any stage of, life are in dangerous positions to cause long term harm to impressionable, trusting minds, which is why I personally focus more on the "figure" and less on the "authority" part of "authority figure" when I'm dealing with people in those positions.
"It is the mark of an educated mind to be able to entertain a thought without accepting it" - Aristotle or whoever actually said it.
From what i've observed, people deal with "there's no higher power" differently.
For some people, that i call right-wing, or authoritarian, having some higher power that tells them what to do, is the meaning of life. If they lose that something, then they become depressed and stop living, in any sense, a joyful life.
On the other hand, there are people, which i am comfortable to call left-wing, or hippies, or communitarian, who don't need that higher power to tell them what to do, in fact, it rather obstructs them. They are joyful even in the absence of a higher, guiding power, because they can find their own meaning in life.
IMO the need for a higher authority is both because of fear of death, and to be lazy and not think about what is right and wrong. So either excuse yourself (ex. catolicism, ask oardon from god not the victim) or just believe "your" religion gives you the right to do as you please.
So stop living in fear and embrace the absurd that we, simple 100 years tops organic blobs live in a billion years universe.