I broke up with neovim....vim is my best friend now

dot_vim/plugged/vimtex/after/ftplugin/tex.vim

@@ -0,0 +1,27 @@
+" VimTeX - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+if !get(g:, 'vimtex_enabled', 1)
+  finish
+endif
+
+if exists('b:did_ftplugin_vimtex')
+  finish
+endif
+let b:did_ftplugin_vimtex = 1
+
+" Check for plugin clashes.
+" Note: This duplicates the code in health/vimtex.vim:s:check_plugin_clash()
+let s:scriptnames = vimtex#util#command('scriptnames')
+
+let s:latexbox = !empty(filter(copy(s:scriptnames), "v:val =~# 'latex-box'"))
+if s:latexbox
+  call vimtex#log#warning([
+        \ 'Conflicting plugin detected: LaTeX-Box',
+        \ 'VimTeX does not work as expected when LaTeX-Box is installed!',
+        \ 'Please disable or remove it to use VimTeX!',
+        \])
+endif