should i get a new dog?

yesterday, my cousin's puppy stayed here and i played with her but it made me remember how much i miss my doggy who passed away last year, sandy. sandy was the only human being that i felt comfortable with when my father died. when my father died, in the first few days, my mom would let sandy sleep with me, and it was the moment my heart would be quiet, i felt that sandy loved sleeping with me as much as I loved, she would cuddle in me and sleep quiet. but whenever i think about getting a new dog, i just can think that im trying to replace her, and honestly, i dont want to have another dog, i want sandy, just sandy. 

(sorry if the text has spelling mistakes or sounds strange, I'm still learning to write and speak english. i posted that text on forum, idk the difference)