Missing someone is your heart's way of reminding you that you love them. Instead of being sad choose to think about the good memories and all the joy you shared. This does make me think of my wonderful Mom. I miss you soooooooo much.
I hope one day you will realize I did truly care for you. I promise you're gonna miss me being there, putting up with you, refusing to give up on you. but you'll miss me when I become priceless to another. (Please read the entire quote.