beating oneself up

[Theseus]

From The Free Dictionary
to beat oneself up
Fig. to be overly critical of one's behavior or actions; to punish oneself with guilt and remorse over past actions. (Not a physical beating. Fixed order.)
--It's over and done with. There's no need to beat yourself up.
--He's beating himself up over his role in the accident.

 

[nickel]

I think my first choice would be αυτομαστιγώνεται.

 

[dharvatis]

Επίσης "τα βάζω με τον εαυτό μου".

 

[azimuthios]

Και παραλλαγές των δύο παραπάνω:

Αυτοτιμωρείται.

Μ' εμένα τα 'χω. Με τον εαυτό μου τα 'χω.

Εμένα/τον εαυτό μου κατηγορώ, όχι κανέναν άλλο.