[s1e13] So Many — Birthdays

: To make up for lost time, Steven throws a series of themed birthday parties for Garnet, Amethyst, and Pearl.

: Steven learns that his physical age is tied to his state of mind. After feeling "too old" for childhood traditions, he begins to age rapidly, eventually becoming a frail old man on the brink of death. [S1E13] So Many Birthdays

: The title refers both to the multiple parties Steven throws and the many biological ages he experiences in a single day. Steven Universe S1E13 "So Many Birthdays" Recap - TV Tropes : To make up for lost time, Steven