Why is communion with Christ essential for spiritual life?

Communion with Christ is essential because, as depicted in Colossians 1:17, 'by Him all things consist,' indicating that our life is sustained through Him. The metaphor of Christ as the vine (John 15:5) depicts our dependency on Him for spiritual vitality. This relationship highlights that apart from Him, we cannot achieve spiritual fruitfulness. Engaging in communion with Christ through prayer, worship, and the Word allows believers to receive the grace necessary for sustaining their spiritual lives, reminding them that they are not their own but belong to Him.