I've been trying to get a vasectomy for the last few weeks and so far I have been turned down by 2 doctors. I am 100 percent sure I will never want kids, and objectively I would be a pretty terrible father because of my selfishness. Has anyone here had success in obtaining a vasectomy at a younger age?

Also, does anyone know if military doctors are different? I'm about to graduate college and I plan on enlisting in the Army after so waiting until then to get it done is a possibility.