Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @MarGraham I am practically obsessed with it, the very thought of their departure makes me feel both melancholic and grateful.  Safe journey
This tweet contains emotions: 
joy, sadness