"I$3 miss you so much man Sophie not a minute goes by with out your gorgeous smile being a picture in my mind everyday we spent together was so awesome I need them days back".
Following her passing, Armstrong had expressed tremendous grief on social media.
"Please keep in mind to be a little bit kinder every day to every person in your life". He also wrote, "I will see you very soon my angel".
Armstrong confirmed her death in a Facebook post and said he was "absolutely devastated".
He continued, "My handsome angel, I'm absolutely heartbroken".
"The loving boyfriend also shared a picture of his late other half and wrote, "[Today] is the day I say my [goodbye] to my queen this is the hardest day of my life". I can't stop crying and I can feel your spirit in my soul. If you are contemplating suicide or having suicidal thoughts, please call Lifeline on 13 11 14, or the Suicide Call Back Service on 1300 659 467.