Job 9:18 Kabbalah

לֹֽא־יִ֭תְּנֵנִי הָשֵׁ֣ב רוּחִ֑י כִּ֥י יַ֝שְׂבִּעַ֗נִי מַמְּרֹרִֽים׃

That would not suffer me to take my breath, But fill me with bitterness.

Read kabbalistic (mystical) interpretation of Job 9:18: and classical mystical sources.