​I screamed loud and felt a slight pinch in lower right tummy area next to my new belly button. Do you think I ripped stitches?

It's difficult to make recommendations online based on the photos provide. So , I suggest you begin with an in-person consultation with a board certified plastic surgery to learn if you are a candidate for a surgical procedure. If deemed a candidate, you may benefit from a #drainless tummy tuck....

What happened to you is unusual but not abnormal.The numbness is from swelling - and swelling doesn't happen suddenly.As swelling develops, it separates the skin from the nerve endings - nerve endings no longer pick up touch from the skin, you experience this as numbness.As swelling...

What you are describing is actually quite concerning. I would suggest communicating your question with your plastic surgeon; going to an urgent care  or emergency room may be the best most appropriate course of action to rule out pulmonary complications such as pneumonia or embolism. Best...