We just kept chatting and chatting without even realizing it.
We just talked on and on without thinking too much of it.
ーWe just kept chatting and chatting without even realizing it.
「ついつい長話しちゃった」
to keep chatting without even realizing it で「ついつい長話する」と表現できます。
ーWe just talked on and on without thinking too much of it.
「ついつい長話しちゃった」
to talk on and on without thinking too much of it で「ついつい長話する」と表現できます。
ご参考まで!