Aspects of energy can be steadied through sustaining awareness over the entire process of an exhalation, until the inhalation begins. Help breathing to regulate your energy. Energy will regulate your mind, quiet it, steady it, compose it, and over time it will consolidate into a steady quiet form.
Tuning into where gladness is can be approached from different ways. One can recollect people or events that are gladdening, or one can tune into the energy of gladness that is felt in the body. Linger in its effects, the brightening, lifting quality that is agreeable.