Earlier quoted context omitted.
>finally at age six did my pediatrician notice that my spleen was massively enlarged (due to working overtime) Who was working overtime here? Six year old you or the pediatrician? Neither makes sense to me.
The spleen was the one working overtime, since it would normally be filtering a fraction of his blood that was problematic, but instead 100% of his blood 'needed' to be filtered.
*her (see username)