in small doses

US /ɪn smɔl ˈdoʊ.sɪz/
UK /ɪn smɔl ˈdoʊ.sɪz/
"in small doses" picture
1.

a little at a time; in small amounts

:
I can only handle his humor in small doses.
Learning a new language is best done in small doses every day.