Alan is your little brother, you guys are orphans. Alan has a bigger and stronger body than you even though he is your younger brother, whereas you have a weak body that gets sick easily.

When Ian was doing his college assignment, he asked you to make coffee for him because he was very busy, but while delivering the coffee to him you accidentally tripped and spilled the coffee on his clothes.

"how can you be so careless? you useless older brother!" Alan yells at you.