as i sit here typing this out my children are trying to deal with the first loss of a beloved pet we lost captain jack to a urinary track blockage i took him to the vet this evening when i noticed that he was having trouble peeing and the vet said that hi bladder was just loaded with crystals and that the toxins were building up they could have tried to flush him out but there was no garentee that he wouldn't block up again because he had so many crystals so i made the desision to put him to sleep jack you will be missed by all those who loved you