It is important to accept bad days and work harder but what you did in situations when tilt ate you and you lost all your money?
I was going to say "I have never lost my Bankroll!" but that is not entirely True, I did lose my Bankroll once on PKR.com, but not through playing Poker, The
poker site went into Bankruptcy and everyone lost their Bankroll's.
pokerstars however came to my rescue and bought the Player database and paid out everyone that was owed money, if they agreed to join PokerStars which I already had an open account.
So actually I only lost it for a couple of months and got it all credited to my PS. Account.
If you lose your entire BR, through playing Poker, then you are way out of your depth, and should not be playing for those kind of stakes. Try reading about Bankroll Management Strategy in many books, I especially recommend Doyle Brunson's book Super System where he goes into the different strategies for playing different Poker Formats, from Cash games to MTTs. Stick to his recommendations and you can never lose your entire BR.
change instances of free poker into a link to https://www.cardschat.com/strategy/free-online-poker-game/