Literally every time he acts like an arrogant ass because of how smart he is.
The time Thomas was snarky with his father and gave the best introvert excuse ever: “We need water or oxygen. We do not need conversation to survive.”
The time he said in public that he thinks that everyone should just strip their clothes and run naked in the streets and made a woman faint face first into the dessert table
The fact that he wants to discover cures for diseases not because it’ll bring him glory, but because it’ll save a lot of people
The times he talks about his mother
The times he makes it blatantly obvious he wants to kiss Audrey Rose
The time Thomas painted the entire universe within the confines of Audrey Rose’s favorite flower
The time Thomas made it clear that he loved Audrey Rose and his love was permanent.
The time he was willing to let her go and never see her again if it made her happy
The time he said “For there are no limits to the stars; their numbers are infinite. Which is precisely why I measure my love for you by them. An amount too boundless to count,”
The time he suggested Audrey Rose sit in his lap since they both wanted the window seat on the train.
The time he decided to make Audrey Rose a special tea blend for her
The time he was able to get a horse drawn sleigh for Audrey Rose when they made it to the Academy
The time Audrey said he smelled like bergamot (and forensics)
The time he remembered the dragon statue on a piece of furniture at his home estate and he named it Henri