Answer

‘he didn’t look the same’ which results in the frustrated violence as he/she cannot recreate the beautiful creation of before and is angry. The repetition of ‘again’ on line 18 emphasises this frustration. It all makes him/her ‘sick of the world’ as if there is a feeling that all is pointless. The ‘lumps of snow’ could be a metaphor for the self-defeating nature of his/her thefts.