"We pulled a train last night"
On Valentine's Day the only way to "get off the train" would be to find a date, to give up in the pursuit of finding a date or when the clock strikes midnight and you're all alone.
Related: To be on the train / To be on the desperation train / To be on the train of despair.
- I'm riding the train this year.
- No worries dude, you'll be off the train way before V-day.