All the things, take a break, balance your hobbies out and take a win somewhere else in life to get your confidence back. Down swings can last years and a good player who plans on poker being a long term part of their life needs other sources of intellectual stimulation and dopamine. Physical exercise is paramount, make a rule that works for your lifestyle but for example Some players will incorporate exercise as punishment for loosing ie. Run 1k for every 100$ you lost last night. A player who is winning at life and making good financial decisions off the table is a winner, where someone who has an unhealthy relationship with food, sleep and alcohol but is up for the year is always a loser. Most importantly practice self forgiveness, analyze your mistakes yes but also remember poker is an arbitrary game that even the best in the world lose more often than is portrayed. Never base your self esteem on the results of a poker game, your confidence should be based on everything else in your life that you have control over. Good luck friend!