me dei conta de que

I realized that

→ me
phrase Rare #36,022
I realized that A common expression meaning that you became aware of or noticed something. In negative sentences, it means “I didn't realize that.” The form changes with the subject and tense, such as “me dei conta” and “me tinha dado conta.”
PO: Só me dei conta de que estava errado depois da conversa.
EN: I only realized that I was wrong after the conversation.

Não me dei conta de que você estava interessado.

I didn't realize you were interested.

Eu não me dei conta de que você estava interessado.

I didn't realize you were interested.

Logo me dei conta de que era difícil conviver com Tom.

I soon realized that it was difficult to live with Tom.

Então me dei conta de que era tudo mentira.

Then I realized that it was all a lie.

— Mulheres à Beira de um Ataque de Nervos (1988)

Porque me dei conta de que não era o melhor para mim.

Because I realized it wasn't the best thing for me.

— Oh Boy (2012)