You shouldn’t date or become serious friends/partners with someone if you can’t stomach the thought of being stuck in a car or train with them for 16 hours.
Please remember that almost everyone around you is traumatized. I didn’t understand this when I was younger. I wondered why people acted so strangely and irrationally. Maybe all children wonder this. The author Robert Anton Wilson said (paraphrasing), “We have never seen a completely sane adult human.” No one makes it out of this life alive. It’s not their fault. Mercy, kindness, forgiving — these are what makes one human. They are other names for love. People break in the strangest of ways.