You can get a free six-inch sub from Subway for Valentine's Day, here's how
Re-naming Valentine’s Day ‘Customer Appreciation Day’, the high street sandwich shop are offering the free 6-inch sub between 11am and 7pm when you buy a large dispensed drink or bottle of water (which cost around £1.50).
https://twitter.com/OhemaaHan/status/831458313963442176
https://twitter.com/SUBWAYUKIreland/status/831479544204886016
So, there you have it, simply pick a drink and then bask in the glory of your own free sub, it's that simple.
You can check if your local Subway is participating in the offer here.