[Izuku can relate to all of those feels she might be having in her head right now. The fear of losing someone, a friend, somehow makes that feeling so much worse. As people but as heroes it makes the decisions they choose to make all the more serious. Every decision counts, every effort counts.

His expression softens when she starts to explain her like for space and stars. He listens even if she's said these things to him before. If it helps ease her for a moment to talk about something she likes... He hopes that helps with the nerves.]

If you need to take a deep breath while you're in there, Uraraka-san. Think of your favourite stars, okay...?

[Keep her focus. Keep her nerves away.]

After this, I'll be waiting for that...! [He smiles and squeezes her.] I- I think it's time to do this.