You sold too early. It is now 46k and probably going up. You may have a very hard time buying back in below your sell price.
If you sold to get fiat for something necessary in life, that's okay.
He posted this today. He clearly must have seen the 20% jump since yesterday, because it was already near 50K when he posted. He's happy with his ROI and that's good.
Not everyone is wealthy enough to keep that money. For someone who hasn't had 30k cash before, that amount can be life changing.