Dear Jr,
You know what they say the boss is always right. You don’t want to be on the wrong side of your boss!
What I suggest you do is when next he asks your opinion or advice , put it in a memo and say something like:
“ Sir /Ma, kindly refer to your instructions for me to ….I will respectfully advise that you/we do…etc etc ( then give your advice as best as you can ). Hopefully by reading it, he ll have more time to focus on the advice and not brush it away . Good luck with that !
Aunty Grace