"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.
ATTACHMENT - The Attachment Parenting is a Style of Parenting that Emphasizes the Importance of a Secure & Close Relationship Between the Parent & Child. There is Value in Understanding the Fundamentals of Attachment Theory.