I'll never forget a story my brother once told me about taking a test during his college days...

His professor instructed everyone in the class to use either a blue or a black pen for the test. A student then raised his hand and asked if it was okay to use a red pen. The instructor nodded, and replied, " Everybody listen up, you can use any color pen you want, as long as it's blue or black."

The student groaned.

When it comes to the limitations we have no control over (which appear to be many on planet Earth) we can resist them and suffer. Or we can embrace them, and be free.