but if you try to suppress your playful, imaginative side in favour of an ideal of self-sacrifice, you may store up a lot of resentment and a deep envy toward those who are able to give themselves permission to be irresponsible sometimes.

Make this proper case.
But if you try to suppress your playful, imaginative side in favour of an ideal of self-sacrifice, you may store up a lot of resentment and a deep envy toward those who are able to give themselves permission to be irresponsible sometimes.