Learning from Lobsters

I remember reading the lobster mashal in one of Rabbi Twerski's writings, and today came across it online.

The point to note is that the stimulus that enables the lobster to grow is discomfort. If not for the discomfort, the lobster would never expand its shell!... If criticism makes one feel uncomfortable (as it generally does), rather than feeling resentful, one should seize the opportunity to utilize it as a stimulus for growth.

Easier said than done, but definitely true!