我(われ)を忘(わす)れるto forget oneself, to lose control of oneself

父(ちち)が我(われ)を忘(わす)れて釣(つ)りをしています。

My father is fishing, forgetting himself. {to forget oneself, to lose control of oneself}

我(われ)を忘(わす)れて趣味(しゅみ)に夢中(むちゅう)になる時間(じかん)が大好(だいす)きだ。

I love the time when I lose control of myself and become engrossed in my hobbies. {to forget oneself, to lose control of oneself}

美女(びじょ)にすっかり見惚(みほ)れて我(われ)を忘(わす)れてしまいました。

I was completely smitten by the beauty and lost control of myself. {to forget oneself, to lose control of oneself}

大事(だいじ)な仕事(しごと)に我(われ)を忘(わす)れていたせいで子供(こども)を放(ほう)ってしまっていた。

I had forgotten myself in my important work and ended up neglecting my child. {to forget oneself, to lose control of oneself}

我(われ)を忘(わす)れるほど夢中(むちゅう)になれる趣味(しゅみ)があるというのは恵(めぐ)まれていると思(おも)う。

I think being so engrossed in a hobby that you forget yourself or lose control is a blessing. {to forget oneself, to lose control of oneself}