2 days ago my male rat Henry died. He had a URI and I didn't know it. I'm a new rat owner and I didn't know much about the infections and diseases they get. When I first got him he was sneezing and I thought it was because of a new environment or the pine bedding I had (which I quickly threw out after learning it's very toxic) It makes me incredibly sad because he was still just a baby rat. He wasn't even full grown. He could've had a long life. I feel like it's my fault because I could've helped him if I had known. Henry has a brother and his brother is very depressed. I have to get another rat ASAP because I'm afraid his brother might die of depression or loneliness. I'm going to miss you Henry.