It is merely an offer. It is up to you whether you take it or not. What is important is you know you can.

(Thor lost his closest friends recently. They died bravely but he never got to say goodbye. He will not make the same mistake with his human friends, he will protect them and let them know like now they are important to him. He kisses the top of Tony's head.)

I believe we may be out of sync in the timeline. It's been years for me since my brother attacked New York.