It's a very common phrase and can be used in different contexts depending on the situation and the speaker's tone.
Here are some examples of how it can be used:
* "Olvidarte es imposible." (It's impossible to forget you.) This implies a strong connection and affection.
* "Trataré de olvidarte." (I will try to forget you.) This suggests an attempt to move on from a relationship.
* "No te puedo olvidar." (I can't forget you.) This expresses a deep emotional attachment.
The exact meaning of "Olvidarte" can be interpreted based on the context of the conversation.