Some sister captions for when she’s sad include:
- “Sister, when life gives you lemons, I’ll be here to make lemonade with you.”
- “To my sister, even on the darkest days, know that I’m always here to brighten up your world.”
- “Sister, your happiness means everything to me. If you’re ever feeling down, don’t hesitate to reach out.”
- “A sister’s love is unconditional. I’m here for you no matter what, sis.”
- “To my sister, even in the midst of sadness, remember that joy is just around the corner.”