This contributor, also a stutter, is a neuroscientist. The posts explain stuttering neurologically. There are many answers there. Right now you’re experiencing the trauma of a bad, but random, bad spell. Things do change. You can become more fluent again. Regardless of your embarrassment right now there will be better months. You can have a successful career and relationships. If you’re interested in the causes of this puzzling condition and possible treatments now and in the future, check out the link below. Best of luck. You will succeed in life regardless. Sue https://www.reddit.com/u/Little_Acanthaceae87/s/rXzICtD3Qg