They were becoming threatening as I was paying them a lower amount and were becoming impatient and they weren't getting what they wanted me to pay them even though I told them what I could afford and what I would be paying over 12 months. I told them that I needed a lower amount and for them to adjust the bill as their actions were causing me to become very unwell because of their behaviour (I suffer with depression, anxiety and stress). They then willingly adjusted it once they realised what they were doing. Obviously I wouldn't advise everyone to be claiming to suffer mental illness when the water bill comes in (