whenever i open my minecraft i get stuck on the mojang sign and its just a not responding

On my minecraft, whenever I open it in the launcher, my game is always stuck on the mojang sign, I don't know what it is but it will never load it will just stay there and say not responding. I have researched everything and I just don't know what to do i'm wondering what to do so im coming to you guys for help. PLEASE HELP YA BOY JUS TRYNA PLAY SOME MINECRAFT YA FEEL.