It's not that bad
Everyone has their share of hardships, adversity, heartbreak, etc. It sucks going through tough situations, regardless of the cause. The important thing to always remember is that, so far, to this point in your life, no hard situation has killed you. You're still here. You're still breathing. You woke up again today. Tough times will come, ride it out, keep moving. Don't feel sorry for yourself when you have a set back, view it as an opportunity to overcome and grow from. When things aren't ideal, remember that there is someone in a worse situation than you, probably closer than you realize. It's not that bad.