After Paulie passed the interview, HR didn't reply.

It's over. Do not wait any longer. probably

1. After informing you, I found a more suitable candidate, who is probably a related household.

2. After 2.HR informs you, you or the person in charge of the employing department leaves. HR resigned, and there were omissions in the handover.

3. The final decision was not made by HR and the interviewer at that time, and the application was rejected.