For some people, happy day could be associated with things they tend to like. A guilty pleasure of some kind, perhaps a vivid memory, part of life’s experience that just keeps on giving, that no matter what, grants us more reasons to live.
“Live for both of us” said once a friend to his buddy. His last words being a fuel to his comrade.
By other standards, happy day could be bound with something way more physical in appearance.
Money, soulmate, animal companion – maybe even a representative of fauna ᴵ'ᵐ ᶰᵒᵗ ᵗʰᵉ ᵒᶰᵉ ᵗᵒ ʲᵘᵈᵍᵉ – perchance some books or religious symbol. ̷ᶠ̷ᵒ̷ʳ̷ ̷ᵐ̷ᵉ̷ ̷ᶦ̷ᵗ̷'̷ˢ̷ ̷ᴹ̷ᶜ̷ᶜ̷ʰ̷ᶦ̷ᶜ̷ᵏ̷ᵉ̷ᶰ̷
It’s often presented in form of ideas, belief or sense of good and honor.

It can distort, sometimes change and warp among with your current mood or freshly forged life experience~
But, no matter what, as long as you don’t lose it – everything’s alright o/
You are the justice of your thoughts, Anon – senses your tools, morality be thee path.

My today’s happy day shall be akin with all those brave souls, situations as unthinkable as real – scattered among the generations and lands.
But from all of the history known to myself, today especially, I wanted to stay by the side of Warsaw Uprising in 1944. Gouging in the past can be like a life giving drug~
Today, I’ve been once again proved, that the world of clear and omnipresent history, is but the key to progressive utopia. In my opinion, one of the easiest to accomplish, yet at the same time impossible as any other Eden reboots ʕ-ᴥ- ʔ
Never in possess but always by her side - like a friend on a walk <3

By the way, check out this amazing lecture~
https://en.wikiquote.org/wiki/Last_words