Literal translation:
* Je suis toujours avec... (I am always with...) This is the most straightforward translation, but it sounds a bit formal and can be awkward in some situations.
More natural options:
* Je suis toujours là pour... (I am always there for...) This expresses unwavering support and presence for someone.
* Je suis toujours à tes côtés. (I am always by your side.) This emphasizes closeness and companionship.
* Je suis toujours avec toi. (I am always with you.) This is the most intimate and direct way to say it.
Other options:
* Tu peux toujours compter sur moi. (You can always count on me.) This emphasizes reliability and dependability.
* Je serai toujours là pour toi. (I will always be there for you.) This emphasizes commitment and future presence.
The best option depends on the specific context and your desired meaning.