Do not worry. just ensure that your child isn't let hungry. If your child is dissatisfied then we need to figure a remedy. as long as u r child is happy and is demanding milk and you are always to feed , all is well :)

Yes as Prithvi mentioned it is due to the milk being consumed by baby. Beasts become softer. Do check our articles on breastfeeding for useful tips and more information.

yes that is common. but appreciate your lo drinking from your each breast for atleast 15 min so that the fat milk is sucked properly and your milk production also increases.