i love you

The phrase "kocham cię" is the standard way to express romantic love in Polish. The mental image is one of deep, sincere commitment, as the verb "kochać" carries a significant weight of emotional attachment and is usually reserved for serious relationships, family members, or very close bonds. In Polish, the word "kocham" is distinct from "lubię" (to like). Using "kocham cię" is a major milestone in a relationship. If you want to express a lighter feeling, such as liking someone or enjoying their company, Polish speakers use different verbs, so be careful to reserve this for when you truly mean it.
In conversation
Confession
Muszę ci coś powiedzieć. Kocham cię.
I have to tell you something. I love you.
Ja ciebie też kocham.
I love you too.
The 'cię' becomes 'ciebie' in the response for emphasis.
Family affection
Kocham cię, synku.
I love you, my son.
Ja ciebie też, mamo.
I love you too, mom.
This phrase is used just as frequently with close family members as with romantic partners.
Examples
Kocham cię.
I love you.
Bardzo cię kocham, jesteś dla mnie wszystkim.
I love you very much, you are everything to me.
Chciałbym ci wyznać, że od dawna cię kocham.
I would like to confess to you that I have loved you for a long time.