How do we know Jesus was truly man and God during His suffering?

The Gethsemane experience exemplifies the hypostatic union of Christ, showing Him as both fulsome in humanity and divinity. The anguish He faced was not merely physical but deeply emotional and spiritual, revealing His human vulnerability amidst His divine strength. His prayer, 'Abba, Father, all things are possible unto thee; take away this cup from me' (Mark 14:36), reflects a genuine human desire to avoid suffering, yet it is intertwined with His submission to the Father's will. This duality confirms His unique ability to bear the weight of divine justice on behalf of sinners, since only as the God-man could He fully experience the depths of hell's torment while satisfying divine justice within a finite timeframe.