It seems like there is a typo in your sentence. Did you mean to say "The boy cries when he is in the alchemist's care"? If that's the case, it could mean that the boy feels comforted and safe with the alchemist, leading him to release his emotions.
its just a code
When a boy cries over a girl , it means he have been hurt. The reason may be anything . But when a boy cries over a girl , it means that the girl is very important to him .
Wolf Cries Boy - 2011 was released on: USA: 4 June 2011 (TV premiere)
When a girl cries for a boyIt meansShe misses him alotButWhen a boy cries for a girlIt meansNo one in this world can love the girlMore than that boy..!
david traff, commonly known as the boy who does pointless experiments and who cries when you talk to him
Full Metal Alchemist, maybe?
In "The Alchemist" by Paulo Coelho, the boy guides his flock of sheep through the fields and pastures of Andalusia in southern Spain. He eventually embarks on a journey to the Egyptian pyramids to fulfill his personal legend.
Everybody cries, even boys. It's an expression of pure sadness.
The Alchemist, which was written by Paulo Coelho, revolved around a boy that dreams about Egypt. It is also about his journey and the people he meets while on his way to Egypt.
The boy met the gypsy in the town of Tarifa, at a local festival. The gypsy was said to be skilled in interpreting dreams.
Episode 61, "He Who Would Swallow God".
depends, fullmetal alchemist brotherhood or fullmetal alchemist the original series, or in the manga