In addition, it is also related to age. Most teenagers are in an unstable psychological transition period, so they also like to change their signatures frequently at this stage. Signatures often have their own characteristics and want to express themselves.
Except for this age group, if you only change your signature frequently at a certain stage, it is a temporary stage of psychological instability, but if you are still fond of changing your signature in your thirties and forties, it at least shows that this person's mentality is immature.