And just recently, I've been running into definitions, explanations, and illustrations about the introverted. And I had an epiphany. And it's not like I don't know my own husband, I just didn't ever think to label him as such...until I came across THIS:
And it has really helped me to understand why he acts the way he does. Out of nowhere, with him never having seen this illustration, I said to my husband, "thanks for letting me in your bubble." To which he simply replied, "you're welcome."