Mari, that happens to me too sometimes... Probably to everybody in the world

Sometimes I even mix words like, I want to type/say "mix" and type "miss"

It scares me, it really does but... Oh well...
Dont stress !
And seriously, you are always very acqurate and precise when talking to us ! Not to mention you sound beautiful and nice indeed ! See ? We dont really see your "defects"
Sorry that you are struggling

try to keep calm.