The innocence of your youth will always be with you. It hasn't been lost or eroded.
You want to believe in others and in the power of trust. Some may think that your faith in others is silly blindness, but you know that your faith comes from a place of awareness, rather than naive foolishness. Your decisions won't be simple, but your hope for a better, brighter future will be a comfort to you at this time.
Long days at work aren't just physically draining, they can be emotionally draining as well. It's important to maintain your physical health, but it's also important to build your psychological stamina.