I have a dear friend of 50 years. She and her DH are not well off but are not struggling. Their mortgage is paid off and he has said he could afford to retire early. Her DH is notoriously tight (but that’s a whole other thread)! More recently my friend calls my mobile and before saying anything else, asks me to call her straight back which I do, she then proceeds to chat for an hour! The other day she was at my house. Her DH called my mobile asked me to call him straight back which I did, then without even asking how I was or making some brief small talk asked to speak to my friend. I passed the phone to her and they had a brief chat. When they’d finished I asked why he had called my phone instead of hers and she said it was because I have unlimited minutes on my phone and they both have Payg phones. I haven’t said anything yet as it’s true I do have unlimited minutes so it doesn’t really cost me anything above my normal tariff, but am I right in thinking this is a bit cheeky?. Should I say something or just call them back?