It will burn and it will turn red then the hydrogen in that outer core hope that helps a little
According to Erickson's theory of psycho-social development, and going by the description above, Tom is demonstrating FIDELITY.
The stage of Fidelity occurs during adolescence (Age 12-19) which should be the range of Tom's age, being an high school senior. His goal and dedication to become a Medical Doctor characterizes the existential question of the Fidelity Stage: Who am I? Who can I be?.
I wrote it down in the wrong app so i had to screenshot it but here it is. i hope it helps.
Sugar and Tobacco and Indigo