Here are some quotes expressing the sentiment of being there for someone:

- "If you need me, I'm here"
- "I will always be here for you"
- "It is good to know there is someone who cares for you"
- "I'm here for you always. Though we are miles apart, I'm still here for you always."
- "Though you are in pain, I'm here to take you through this."
- "Indeed, you are the most special person in my life. Please know that I'm here for you always."
- "I'm here for you. Always. Do you feel me? Hear me? I talk to you every night, does it reach you?"

I hope these quotes help! Let me know if there's anything else I can help with.