Yes, your text is grammatically correct.
The message conveys that you value the small, thoughtful gestures in life and express gratitude for them. Additionally, you're expressing a desire to smile more and are inviting someone to help brighten your day.
Here are a few possible rephrasings:
1. "It's the small gestures that truly count, and I’m grateful for them. In that spirit, I want to find more reasons to smile. If you feel inspired,