How do i say want to be with you in Portuguese?

Here are a few ways to say "I want to be with you" in Portuguese, along with their nuances:

Formal:

* Eu quero estar com você. (Most straightforward and neutral)

Informal:

* Eu quero ficar com você. (More common in casual settings, implies a desire for intimacy)

* Quero estar perto de você. (Emphasis on proximity)

Romantic:

* Eu quero estar ao seu lado. (Romantic, implying a desire for companionship and support)

* Eu quero ser seu/sua. (Very strong declaration of love, implies a desire for commitment)

Remember:

* You'll use "você" for informal and "você" for formal.

* "Seu" is used for masculine nouns and "sua" for feminine nouns.

Bonus:

* "Quero te ter aqui comigo" - I want you here with me (more affectionate and passionate)

* "Quero ficar contigo" (informal, more intimate)

The best way to say it depends on the context and your relationship with the person.