How to reply when she says she tries a new hobby every month

A message like this usually has two layers. The surface layer is a fun list of activities. The underneath layer is her saying something about how she spends her energy and what she's hoping to find. The phrase "I think I'm just looking for the one that sticks" is the most useful line in the example, because it tells you she is self-aware and maybe a little wistful. She has already done the self-deprecating part, so you don't need to add a second layer of teasing on top.

Notice which details she chose to keep. She mentioned the one she dropped after two weeks, which suggests she isn't embarrassed about quitting. She also gave you a clear current item. Those are both invitations. Pick one and ask about it, because specificity shows you actually read the message.

Don't treat the restlessness as the main topic. She is describing curiosity more than a flaw, and a reply that frames it as a flaw will feel like you've misunderstood her.

The strongest move is almost always to ask about the current hobby, since it's the one she's most engaged with and the one she can talk about with energy. Asking about the sourdough invites her to describe what it's like, what has gone wrong, and why she picked it. Those questions are easy to answer and open up more than a general question about hobbies would.

If you've ever tried something similar, a one-line mention of your own experience can help, but keep it short and hand the conversation back to her quickly. A sentence about a thing you tried once, followed by a question for her, works better than a paragraph about your own list.

If she mentioned something you find interesting, say so. Enthusiasm that's specific reads as warmth. Enthusiasm that's generic reads as politeness.

After you've asked your question, the next message is about letting her answer and then responding to what she said, not what you planned to say. If she describes the sourdough in detail, react to the detail. Ask what the starter is called, or what the worst loaf looked like. People keep talking when they feel heard on a specific point, and they stop when they feel they're being run through a checklist.

It's fine to share one thing about yourself that matches her energy, such as a hobby you dropped too, so she sees you're comfortable with the same restlessness. Keep it light. You're trading stories, not competing on who has the more impressive list.

If the conversation settles into a comfortable back-and-forth, you've done the job. You don't need to decide in the first exchange whether her habit of sampling things is a good or bad sign.