in 2023 obviously can't be more than 12
d) the number of months this person lived in your home;
Temporary absences: Your child or dependent is
considered to have lived with you during periods of time
when temporarily absent due to special circumstances such
as: illness, education, business, or vacation. Your child is
also considered to have lived with you during any required
hospital stay following birth, as long as the child would
have lived with you during that time but for the
hospitalization
