Was she taken for a fool?
Irish people are reportedly the most generous in the world but sometimes you need to know when you're being taken advantage of.
A woman's taken to Reddit to ask if she was right to change her mind about buying a stranger coffee.
The American woman revealed on the site's Am I the A**hole page that she offered to buy coffee for a mother in her local cafe.
The mum took her up on her kind offer but things soon turned sour, which led to the woman withdrawing her offer to pay.
She wrote:
"I stopped by a local coffee place after work today. There was a woman behind me in line with a toddler, the kid was sweet and saying 'hello' to everyone in line and genuinely brightened my day.
"While I was standing near the cash register waiting for my order, the woman stepped up and ordered a $4 coffee.
"I kindly offered to pay and she seemed so grateful and even thanked me twice.
"Right after, she turned back to the cashier and said, 'In that case, you can add two extra shots and a blueberry muffin.'
"I was so taken aback, I immediately told the cashier that I changed my mind and she could pay for her own order. I walked over, picked up my drink and left without another word.
"Am I the a**hole for reneging on my offer?"