Psalms 102:10 Halakhah

כִּי־אֵ֭פֶר כַּלֶּ֣חֶם אָכָ֑לְתִּי וְ֝שִׁקֻּוַ֗י בִּבְכִ֥י מָסָֽכְתִּי׃

For I have eaten ashes like bread, and mingled my drink with weeping,

Read halakhic rulings (Jewish law) on Psalms 102:10: and classical halakhic sources.