Do you always think this small? I learned a long time ago to not limit myself. It's the primary reason why I've ridden some very large waves without selling a single share until at or near the top. My most important takeaway is that a good stock will amaze you with the kind of multiples it can return in just a few years of growth. I laugh when I hear comments like "Oh, my, what will I do when it gets all the way up to $420"! $420 is nothing, barely above where it's at right now!
Edit: Oh, Lordy, I just saw you are 59 YO and 100% in Tesla! Sell half of it right now!
Yes, you would almost certainly be better off holding it all but when all your investable assets are in one stock you are vunerable to a lot of things. "Almost certainly" does not equal "certainly".
Ah yes. But I left out a minor detail (for the better story). My retirement pales in comparison to my wife's, and she's broadly invested. It actually follows our relationship, complete opposites, happily married 17 yrs now Good news is that she's really smart and fully understands what's going on with Tesla. She recently moved from Capacity Analyst to Master Planner. She understands growth when she sees the cars coming off the production lines.
So between us, we're pretty balanced afterall.