Some tips to stay positive during these stressful and uncertain times:
1. Make small improvements in your daily life, routine, diet, etc.
2. Support yourself on positive minded people.
3. Extract yourself from the problem.
4. Don't take it personally.
5. Focus on the bright side of things.
8. Keep your exercise routine tight.
9. Talk with your mentor/coach often.
10. Don't let the challenge bring you down, but be very aware of its roots.