1: Begins seeing another divorcee? Deplorable. (3)
2: Anger that is constraining response (3)
3: Explorer taking stuff back and beginning to observe game (5,4)
4: Tears as leading character in romance dies (5)
5: Freeze one mug filled with tea, essentially (3,2)
8: Chiefly toast mother country (5)
9: Appreciation without hot water containers (5)
13: Frost to cover the cake (3)