Anyway, it can be related to
stress,anxiety, new situations or changes in schedule, even overstimulation
and excitement. Believe it not, one of the best things to do is to make sure he stays hydrated, if he goes more when he does go, he will be less likely to feel more frequent urgency with less amount of urine output. If there are stressful situations affecting him, try to make sure he has some relaxation time, or quiet time to spend with his family.