Psalm 139:14 deploys two Hebrew words that deserve more attention than they usually receive. Yare β translated "fearfully" β carries the sense of producing awe, of being extraordinary in a way that provokes reverence. Palah β "wonderfully" β means to be set apart, distinguishable, singular. David is not offering a therapeutic affirmation. He is making a theological claim about the specific, unrepeatable nature of the body God assembled. The body you are dissatisfied with is the body he called remarkable.
The Incarnation adds irreversible theological weight to the body. God chose to inhabit one β not an ideal one, but a specific one, with specific features, capable of physical fatigue and hunger and death. John 1:14 says "the Word was made flesh" β not appeared to be flesh, not inhabited flesh temporarily, but was made it. The body was not a problem God worked around in redemption. It was the vehicle he chose for it.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.