Christ’s nature was exactly like ours, sin-prone not sinful. If Jesus' nature were sinful then he could not be said to be without sin. His nature, like ours was prone to sin. He resisted this tendency [really an overwhelming tide!] to sin perfectly where we are so often carried away with it.
Hebrews 2:9 But we see Jesus, who was made a little lower than the angels, for the suffering of death...
Hebrews 2:14 Inasmuch then as the children have partaken of flesh and blood, He himself likewise shared in the same...
Hebrews 2:17Therefore, in all things he had to be made like His brethren, that he might be a merciful and faithful High Priest in things pertaining to God, to make propitiation for the sins of the people.
Hebrews 4:15 For we do not have a High Priest who cannot sympathize with our weaknesses, but was in all points tempted as we are, yet without sin.
Here is some information on the website which will find useful:
Note especially the sections entitled:
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