You should not Let Yourself Get Old.
According to the common belief, one must reach the age of majority before one can do whatever they like. Her clear preference for the vibrant and exuberant aspects of life is evidence that she has retained more of the carefree spirit of her youth than the majority of people have.
She gives off the vibe that she would be a lot of fun to be around if she does have kids of her own, which makes it likely that her future children would love having her as a mother because of how outgoing she is. This makes it probable that her future children would enjoy having her as a mother.