[He's curious about what she needs to tell him, but gets the implied in-person of the topic. Some things are just better said in person.]
The explodey part is hard. [Knowing she's here but unable to see her in person because he's so uncertain of how he'll react. It's hard not to see and smell and touch her. But also, it's so explodey because he obviously still loves her so much. He always will.]