I enjoy doing hard things with solid periods of rest in between. Hard is relevant, but objectively some things are harder than others.
I learned that the harder the thing, the fewer the people that want to do it.
The fewer the people who want to do it, the more important it is to do it because, after all, someone has to do it. Someone has to be a doctor, a rocket scientist, an entrepreneur, etc.
The fewer the people who do it, the less competition there is, and the more lucrative the rewards are. The more fulfilled we feel too after we accomplish something hard.
Most would prefer to spend much of their days relaxing and not doing hard things. If that statement weren't true, we would have more people doing hard things.
The other benefit of doing hard things is that they push us to become more creative. Hard things have pulled solutions out of me I didn't know were possible or existed before I started doing those hard things.
We can almost guarantee that things won't get harder for us by tackling hard things first. James Clear explains the opposite of this when people try to do the easy things:
"Strangely, life gets harder when you try to make it easy.
Exercising might be hard, but never moving makes life harder. Uncomfortable conversations are hard, but avoiding every conflict is harder. Mastering your craft is hard, but having no skills is harder.
Easy has a cost."
I always judge new projects, opportunities, and new undertakings from that lens. If it's too easy, is it even worth doing?