〜つつ（も）

悪いと知りつつ、やめられません。

Warui to shiritsutsu, yameraremasen.

I know it is bad and still cannot stop.

つつも is written: the first half is a clear awareness

反省しつつ、また同じことをしてしまう。

Hansei shitsutsu, mata onaji koto o shite shimau.

I reflect on it and then do the same thing again.

It can also mark simultaneity, where it equals ながら

文語的で、会話ではまず聞きません。

Bungoteki de, kaiwa de wa mazu kikimasen.

It is literary; you scarcely hear it spoken.

Hence one flame: reading it matters more than saying it