Adolescence /ˌæd

maintain /meɪnˈteɪn/ verb [ T ] CONTINUE TO HAVE
1. to continue to have; to keep in existence, or not allow to become less
The army has been brought in to maintain order in the region.
We have standards to maintain.
Despite living in different countries, the two families have maintained close links .
The film has maintained its position as the critics' favourite for another year.
maintain /meɪnˈteɪn/ verb [ T ] PROVIDE
4. to provide someone with food and whatever is necessary for them to live on
They barely earn enough to maintain themselves and their four children.
overdo /ˌəʊ.vəˈduː/ /ˌoʊ.vɚ-/ verb [ T ] overdid , overdone
to do something in a way that is too extreme
After a heart attack you have to be careful not to overdo it/things (= you have to work and live calmly) .