וַיָּבֹ֧א אֲלֵיהֶ֛ם יוֹסֵ֖ף בַּבֹּ֑קֶר וַיַּ֣רְא אֹתָ֔ם וְהִנָּ֖ם זֹעֲפִֽים׃
And Joseph came in unto them in the morning, and saw them, and, behold, they were sad.
Read kabbalistic (mystical) interpretation of Genesis 40:6: and classical mystical sources.