–No te vayas.–
Verb: IRSE (to go/to leave)
Negative Tú Command: Present Subjunctive
PSJK: Normal steps “Go to YO, drop the O, add the OPPOSITE” don’t work. There is no “o” and the end of “voy.”
IRREGULAR PSJK: IR becomes vaya, vayas, vaya…
Take the “SE” off and make it into “TE” –No te vayas–