It's obvious how it pulls at the strings of her heart. Because even though that smile of hers grows wider as it empathizes with Ted's joy, it's impossible to miss the pain that comes up in contrast. As happy as he is now with that realization, Kate becomes aware of the pain that comes with months spent away from the person he probably cares the most about in the whole world.

Kate blinks a few times, aware of how her eyes are becoming glassy. She cups Ted's cheeks, stroking them with her thumbs.

"I'm so glad for you, baby. You deserve it." Terrifying as it is and as much as it changed their plans? Just seeing how happy Ted is makes it well worth it. "I love you so much."