Obviously, at certain moments you will feel drained, sad, angry etc.
The most important thing to always remind yourself is:
Never, ever get associated with your mind.
Soon as you do it, you are up for some suffering...
The longer you stay associated, suffering will be harder.
Always REMEMBER who you are, a Supreme Being playing human for a while.
MIGHTY being with so much light that can illuminate the whole word.
Never let this fact be forgotten.
Breathe... and enjoy life for what it is - a beautiful adventure.