The more aware of our feelings, the more competent we are likely to be in restraining them when necessary, and the more easily will we loosen such restraint when circumstances no longer seem to require it.
Also in this way we will not need to use up any more energy than necessary.
The release of pent-up feelings almost always seems to be refreshing and energizing, so long as they do not explode into destructive conduct which we later have good reason to regret.

Since the self, in maintaining its isolation and detachment does
not commit itself to a creative relationship with the other and is
preoccupied with the figures of phantasies, thought, memories, etc.
(imagos), which cannot be directly observable by or directly
expressed to others, anything (in a sense) is possible. Whatever
failures or successes come the way of the false-self system, the self
is able to remain uncommitted and undefined. In phantasy, the
self can be anyone, anywhere, do anything, have everything. It is
thus omnipotent and completely free - but only in phantasy. Once it
commits itself to any real project it suffers the agonies of humiliation
- not necessarily for any failure, but simply because it has to
subject itself to necessity and contingency. It is omnipotent and
free only in phantasy. The more this phantastic omnipotence and
freedom are indulged, the more weak, helpless, and fettered it
becomes in actuality. The illusion of omnipotence and freedom
can be sustained only within the magic circle of its own shut-upness
in phantasy. And in order that this attitude be not dissipated
by the slightest intrusion of reality, phantasy and reality have to
be kept apart.

We all live under the constant threat of our own annihilation. Only by the most outrageous violation of ourselves have we achieved our capacity to live in relative adjustment to a civilization apparently driven to its own destruction.