I don't want to make you regret going. I admit that I did not tell the truth to you. I fear that it will affect our relations, but now I can't conceal the secrets. I should tell this story with you.
I do not want to make you regret it more than I would if I did not tell the truth to you, I fear that it will affect our relationship, but now I can not conceal a secret any more. next I should tell you.
I don't want to hurt you more. I would, that I didn't tell the truth as you, I was afraid that such matter will affect our relationship. But now I can't conceal the secret anymore.