If you choose to date the wrong person, you could forfeit your freedom.
If you go out with the wrong person, you could very well lose your freedom.
ーIf you choose to date the wrong person, you could forfeit your freedom.
「つきあう人を間違えると、あなたの自由を失うかもしれない」
to forfeit one's freedom で「自由を失う・剥奪される」
ーIf you go out with the wrong person, you could very well lose your freedom.
「つきあう人を間違うと、あなたの自由を失う可能性が大いにある」
to lose one's freedom「自由を失う」を使っても表現できます。
ご参考まで！
カナダ 
