How will the stuck Boeing Starliner astronauts perceive time after 6 months in space? 

 The passage of time can slow to a crawl when you're waiting, and waiting, and waiting. How will the Boeing Starliner astronauts feel time move if they have to stay in space for another 6 months? 

https://cdn.mos.cms.futurecdn.net/v4uy6p3T2XbFiVWViwUMK5.jpg

https://www.space.com/how-will-boeing-starliner-astronauts-perceive-time-after-6-months