Base on my experience when i return or deposit again after i lose my deposit will make it even worse instead of winning back my losses, i lose again the new deposit. So what i can advise to you is do not try to win back your losses, if possible stop gambling even if it makes you happy for a bit of time, i prefer keep holding bitcoin and in the future it will make you more happy than gambling your money.
Thats true, you cant win back what you lose and thats the fact. Chasing your losses can make you penniless, i know someone turn his life upside down because of gambling. Better to stop and focus in some other things, if you can refrain yourself from using computer or gadgets do it. When a person became addicted it would be hard to go away with the addiction so keep that in mind.