I'd say you got off very lightly. You may not realize it but I'd bet you Dad is much more hurt and disapointed than angry. He trusted you and you didn't hold up on your end. If he can't trust you with this situation, how can he trust you in more important ones? It may take a while for you to earn his trust back.

The most important thing is that you realized that he loves you. Everything else is secondary.

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