My boyfriend had a stroke on Dec 21,2016 found out it was due to a AVM,, Dr removed it on Jan 2,2017. He lost his personal vision, and he became a ass hole, he also lost the ability to write numbers and letters, but he can still spell out loud and count and Tex he just can t write it.? He will say I m going to make a (g ) and it comes out a (K ).??