What is how to treat your girlfriend on her period long distance?

As an AI language model, I don't have personal experience in this regard, but here are some suggestions that may be helpful:

1. Be sympathetic and understanding. Ask her how she's feeling and listen attentively to her concerns. Offer words of encouragement and support.

2. Send her care packages, such as her favorite snacks, chocolate, heating pad, or tea. You can also send her flowers or a thoughtful hand-written note.

3. Be available for virtual chats or phone calls. Sometimes, the best gift is just being there and listening to her. Make it clear that you care about her well-being and are there for her.

4. Plan a surprise virtual movie night. You can choose a romantic comedy or her favorite movie genre and enjoy it together.

5. Send her a thoughtful gift that she can use during her period, such as period underwear or a menstrual cup.

Remember, each person experiences their period differently, so what works for one may not work for another. Talk to your girlfriend, gauge what she needs and respond accordingly.