Is there a story to this , make sure to enter a picture !
goodluck w everything ^-^
In subjunctive mood, a verb would be doubtful or un-factual.
The main idea behind it is that life is short and that we need to laugh and be happy while we have time and not focus on negative things because life is short. If life hits you in the teeth there's no reason to be depressed forever about it, just laugh and be happy and keep moving on.