Good for you, pushing yourself out of your comfort zone and refusing to stay in a rut.

I've done some solo traveling myself. I actually enjoy my own company. Plus, when you're in a public means of conveyance, you aren't quite alone. I get a sense of fellowship just riding with others on a bus. (I've taken some long journeys via bus.) I've flown enough to where the novelty of doing that has long worn off. If you can get even 2 hours of sleep tonight, you'll be better for it tomorrow.

There must be some aspect of this trip that you can look forward to. In the end, it makes home seem sweeter when you return.