Where's the money?

Back to Lidl to buy some groceries. A little bit of milk and bread, just you average stuff basically. Also picked up a really nice grey scarf that really ties my look together. Got to the checkout though and realized that I had no means of payment so I silently did the walk of shame, no one knew I didn't have any cash so I quietly picked up all my stuff off the conveyor and put it back on the shelf, then went home, picked up my debit card and picked it all back up again. Never again.