Tabhi to bola tha last time ladka bahut normal behav kar rha h kuch to soche kyu kaise kisliye ho raha hai jab ki wo kitni kuch cheejo se gujar chuka h uski life mai anyways jaisa hai usmai bhi koi issue nahi h.. i just shared the first reaction
Most of the time human tend not to change behaviour until they find it wrong.
Anyways, what had just happen is out of blue, and it comes under sudden provocation ground, which is a valid reason for unintended murder, according to law. So his reaction is absolutely normal.
हां अगर जो वो एंजॉय करता तो जरूर एबनॉर्मल होता, जैसा आज कल की लगभग हर कहानी में होता है यहां।