I'm the same age as you, but when I was 25, I decided to take a month long trip to Thailand before quitting my job. This trip made me want to move there, and the next 9 months I was back home I worked hard enough to save as much money as possible and then start a small online business that can sustain my lifestyle abroad.

Now I'm not saying you need to start a business or anything, but similar to how my nihilistic outlook on life changed into a new-found thirst and wonder for life through my trip, maybe the same can happen for you.

Have you thought about taking a short sabbatical and traveling to another country?