You don't have to, if you don't feel confortable writing one or if you don't like it: it's up to you, but it may be a good way to help other hivians/hivers better know you - maybe earning some new followers along the path! - and you could get also curated by OCD :)

Usually you should have got this info in your first post on Hive, but maybe @lovesniper missed you or something else happened.