The phrase "I want to be with you forever" conveys a desire for a lasting and lifelong connection. It emphasizes the commitment to be by the person's side throughout life's journey, through all its ups and downs.
The addition of "and beyond" adds a touch of poetic depth to the statement. It suggests that the speaker's love is not confined to earthly boundaries or the constraints of time. It implies a belief in the transcendent nature of their love, extending into eternity.
In essence, this statement beautifully captures the idea of unwavering and eternal love. It reflects the longing for a love that persists not only in this life but beyond, symbolizing a bond that endures through all circumstances and remains constant, even in the face of the unknown.