There will always be things in life that are beyond our control. If we tie our happiness to specific circumstances and rigid outcomes then whatever we can't control becomes a source of stress and other unpleasant emotions.
"If you are depressed, you are living in the past. If you are anxious, you are living in the future. If you are at peace, you are living in the present." - Lao Tsu We only have now. So that I where I suggest you live. You will feel more peaceful that way.