I have a stutter

I'm 17yrs old right now, and during my life i've been stuttering, but during highschool its gotten better, and i have almost got rid of my stutter. I'm always blocking, its really annoying, when i have the word in my head, and i'm saying it over in my head, but my throwt and lungs wont move, the word wont come out, so i have to either replace the word, or shuv a sware word infront of the word to make me say it. I also put my hand to my face, liek i pretend to scatch my nose, and that seems to get the word out. Now, my question is, is it best to not do these, and just stop untill i can say the word freely, the word that gets blocked isnt always the same word. and it usaly happens when asking questions. should i just stop, and wait till i can say the word without a block ?

I have a similar problem I forget a word in the middle of a sentence and have to use a differenct word or admit that my brain went dead. give yourself a break, use another word, touch your nose, swear, whatever works at the time. The more frustrated I get the worse the problem seems to get - don't let it get the best of you ..