With adequate fluency, a reader can focus the majority of mental energy on the word meanings and purpose of the entire text. (fastbridge.org)
But, if you're like most lawyers setting up a new business, you don't have a lot of mental energy for designing business cards or websites. (smallfirmbootcamp.com)
There just isn't much mental energy left to recall in fine detail what it was like to parent a toddler. (attachmentparenting.org)