A planned journey, an inexplicable proposal, an unexpected time travel, and a thrilling journey.
"Don't worry, I'll be by your side."
"Sorry, I have to go back."
Contradictory choices, indecision.
Staying or going back became a difficult choice.
The difference between goodbye and farewell is that the former is not missing, while the latter is not seeing each other again.
I guessed the beginning, but not the ending.