Should you message her again after she lost interest

Not all silence means the same thing. If she was responding fast and engaged, then suddenly stopped for three days, that's different from a conversation that was already slowing down. Look back at the actual texts. Was she asking you questions. Was she using any personality. Or were her responses short and on a delay already.

If interest was already fading, a follow-up message feels like you're trying to revive something that never really started. If she was engaged and then disappeared, something happened on her end, which means a single well-timed message can actually land. The difference is in the pattern you see before the silence, not just the silence itself.

A follow-up works only if it does two things at once. First, it has to acknowledge that time passed without making it awkward, which means keeping it short and casual. Second, it has to give her an actual reason to text back that isn't about proving she still likes you. It can be something about your life, a question that's easy to answer, or a reference to something she actually said before. The message fails if it reads like you've been thinking about the silence. It needs to sound like you just thought of her, not like you've been waiting.

Send one follow-up. One. Not two days later, not with a different angle. One message, and then you wait at least five days for a response. If nothing comes back, that's your answer and you move on. Sending a second follow-up just confirms you're chasing, which kills any chance you had.

The timing matters too. Send it during the day, early evening at latest, when she'd actually reply to anyone. Late night messages look like you're thinking about her when you can't sleep. If she doesn't respond in a week, stop checking your phone. She lost interest or something else is going on, and either way, your job is done.