So I live abroad and arranged to come back to the UK to see family and New baby etc. I previously stayed with my sister and her fella a few months ago so asked her again if it would be ok if I stayed with them again. So firstly she said she would ask 'the boss' meaning her partner, then a few days later said yes I can stay but I would have to pay x amount towards the bills! So I said don't worry I'll stay somewhere else as I didn't feel welcome! I would have offered towards the bills as I don't expect to stay anywhere for free but AIBU to think I shouldn't be expected to be charged for staying at my sisters house?? We've had a huge falling out about it this week and it's all my fault!