The song was written by Emily Weisband, John Byron, and Trevor Rosen, while Nathan Chapman produced the track.
He held onto the title for a writing appointment on January 13, 2022, with Emily Weisband, hoping a woman's perspective would give the song more vulnerability.
[9] Weisband elected to post a demo of "Jealous of Myself" on social media platform TikTok, asking viewers who they thought should sing the song.
[9] After Arts' team asked the writers if she could sing the song, she began working with producer Nathan Chapman on recording the track.
[11] Autumn Smith of The Nash News favourably reviewed the song, describing it as a "powerful anthem of missing someone that used to be a loved one," adding that "combination of [Arts'] soulful and passionate vocals with moody instrumentals curates the story that she's trying to tell."