Unfortunately that food is missing some salt:
John 20: 27 Then he said to Thomas, “Put your finger here; see my hands. Reach out your hand and put it into my side. Stop doubting and believe.”
Jesus' resurrected body was physical, not just spiritual. His physical body ascended.
Yes the Son of man Jesus used Thomas as a picture of those who are without faith, the forward generation of Adam, natural unconverted man "no faith"
Yes was of the flesh, is no longer. The one time demonstration is over
Wherefore henceforth know we no man after the flesh: yea, though we have known Christ after the flesh, yet now henceforth know we him no more. Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new 2 Corinthians 5:16