“If J.J. asked you to do something, you’d probably do it too. He’s a
very persuasive guy.”
Han’s return served a bigger purpose, however, Ford explained.
“It was a useful addition to the story and the continuing development of Adam Driver’s character and the chance to do another scene with Adam was great,” he added.
Referring to his last scene with Driver in The Force Awakens, which saw him killed by Kylo, he quipped: “Last time, it didn’t turn out so well for me. But it worked for him.”
source: express.co.uk