Is bitcoin still a bubble or is it coming back?

Recently, BTC has hit an astonishing $10k, an increase of more than 100% in just a couple of months. Now, we're definitely not new to this. BTC has previously made all our jaws drop hitting almost $20k, and then the bubble burst. Is it possible that this time, it's not just a bubble, and that it might actually keep going and surpass the previous ATH?

Personally, I first invested at $2k, and unfortunately, I sold at $3k, only to discover that it was at $15k only a few months later. And I thought, this is definitely something, I can make millions! I then invested again and it kept going to $20k. A drop after that milestone was of course anticipated. But then slowly watching it drop down under $10k, was extremely painful.

How was your experience in investing with bitcoin?