The more integral someone was to your life, the more opportunities there are for happy and sad reminders that underscore the massive loss in your life. Indeed, the death of a spouse ranks at the top of the scale of life events that require social readjustment. Alongside warm or warring memories, you may always carry a hollow spot in your heart. Feelings of sadness, abandonment, loss, and even anger are especially likely around birthdays, weddings, the anniversary of the death, and holidays or other occasions you might have shared. A familiar scent, song, or likeness can trigger feelings of grief, too. All of this is entirely normal.
It's also normal for the raw, all-consuming shock of early grief to ebb slowly within weeks or months. Gradually, at their own pace, most people do find themselves adjusting to their loss and slipping back into the routines of daily life.