The feeling of longing. It can viewed positively or negatively depending on who it’s for.
When viewed positively and it’s for a person who’s loving and supportive it can boost the joy of when you are together again. Of it’s with a lover it reignites feelings of passion and intimacy.
When viewed negatively and it’s for a person who saw you as a tool, or step for themselves to rise above you because you were deemed a threat, the vulnerability can lead to some deep resentment and hurt feelings.