I don't bother crying for the people who leave my life, because it makes me appreciate the people who stay with me no matter what.
Buy your partner a real greeting card, write down your feelings and drop it in the mail. When it arrives, they will appreciate the time you took to shop for a card, write down your feelings and mail it. It will be a keepsake and really stand out from the modern day texts and emails that we've become so used to.