What are you going to do with your Bitcoins and Dollars now?
I am a little mad at myself for not selling at 17k$ because I was too tired and just fell into the bed.
17,000 would not be the highest price Bitcoin will be so stop being "little mad" to yourself and move on. Bitcoin will reach greater heights so there will be a lot more opportunity to sell your coins at a high price.
Bitcoin is at 14k+ USD now so buy. Buy then hold, I suggest. Then Buy then hold again.