Damn, did you forget to eat your cornflakes this morning?
Yes, everything is pointless and we'll eventually burn in the sun. But on the other hand, maybe that's not true. If we live as if there is a point, life will be more fun and more interesting, and that's good enough for me.
Reframe the question: how do you trick yourself into believing anything when you realize that "belief" is just the random firing of neurons?
I went through a similar existential crisis in high school when I became aware of the laws of physics, of thermodynamics, and of cosmology. After all, if we are all just random interactions of sub-atomic particles fated to intertwine in a certain way and then eventually disappear in the heat-death of the universe, what's the point of anything?
And then I turned that logic back on my own thought patterns, which are after all just random firings of neurons that happen to form patterns which the random firings of other neurons interpret as "me". Certain patterns lead to ennui, hopelessness, and the eventual suicide of the organism through chronic depression. Other patterns gratify the other circuits in the brain, leading to a life that would subjectively be described as happy and fulfilling.
I might not actually have a choice in the matter - after all, it's possible that the paths we follow through life were all pre-ordained at the birth of the universe. But I also know that the question is meaningless, because as we established before, there is no actual "I", only random firings of neurons with electrical impulses that happen to make up a pattern that I perceive as "my thoughts". So given the inherent contradiction in my existence - why not choose the belief system that continues to ensure I have a happy existence?
tl;dr: Prove that you don't exist. Then you can do anything and believe anything you want.
I don't trick myself into believing anything. I can use logic to convince myself that there is a point, or that there is no point, either one just as easily. Without more evidence I can't prove either one. Maybe you can, but I can't.
So try this: assume there is no point and we are going to burn in the sun. Everything is a waste of time. Now what do you do? Kill yourself? Well, I don't want to, so why should I?
Sit still in one spot and wait for death? I tried that, but I got bored after about 10 minutes so I went and made a sandwich. Then I continued doing what I wanted to do with my time. Which was the same stuff I had been doing before I decided that it was all pointless.
It doesn't bother me at all. Philosophy is great for Saturday nights and the third beer. The rest of the time it's boring and distracting.
I find actually find the pointlessness liberating - it's easier to not get stressed out or worked up when nothing actually matters. It's all just a ride.
You can definitely fall into that because yes, the ride always ends up in the same place.
But if you think you can steer it, then you can still have the growth mindset. I don't think you need to convince yourself that there's a point in order to have that.
I think if it as, well, I'm on this ride, I'm not hopping off prematurely, which means I'm stuck here for a while, so why not see the interesting places the ride can take me?
Whenever I find myself starting to stress out, it's because I think I _need_ to be somewhere when I'm not, which is a result of being attached to the outcome of some part of the ride. But there's really no point in being attached to an outcome because even that part will be over soon anyways.
I'm pretty sure human beings won't make it anywhere close to that far. But either way is irrelevant to our lives now. All we have to worry about is living and making a good impact on the people in our lives - and hopefully leaving humanity slightly better off for having lived.
