I thought about it, and of course, I wondered how my life would have unfolded if I did invest in bitcoin 10 years ago. But I cannot say I regret anything. As others have already stated on this thread, I am the person I am today, because of all my past decisions, and I am proud of myself.
The takeaway is that cryptocurrency is unpredictable, involves a lot of risks and that anything can be successful, as long as you are willing to wait.