When he came to himself - A state of sin is represented in the sacred writings as a course of folly and madness; and repentance is represented as a restoration to sound sense. See this fully explained on Mat 3:2 (note).
I perish with hunger! - Or, I perish Here. Ὡδε, here, is added by BDL, Syriac, all the Arabic and Persic, Coptic, Ethiopic, Gothic, Saxon, Vulgate, all the Itala, and several of the fathers.