"How to massage your baby." Baby is constantly building muscle and, just like us, that makes them sore. I would consider a message with some lavender essential oils to smell and candle lit. Maybe right after a warm bath and get baby relaxed for sleep.
When do babies start teething? Find out when you'll see baby's first tooth—and when you can expect all the other teeth too—in our baby teething chart. * You can get additional details at the image link.