Ay, congrats sa bagong baby mo! At 15 days old, normal na mag-pee ng maraming times a day, usually 6-8 wet diapers or more kung exclusively breastfed, kaya don't worry if parang every hour nalang or every few hours, that's totally okay. A few of us moms here check kung wet ang diapers instead of counting kung ilan times exactly kasi sometimes napakadali lang hindi ma-track, pero the key is consistent wet diapers which means baby's getting enough milk, so focus lang on that!