[Your mother was responsible for Trunks when he was in their timeline. She died and passed responsibility on to Vegeta when Trunks arrived here. Now he's doing his job. What happens in the other timeline isn't really his business.
(But you can bet that if he'd known something was wrong, he would have found a way to get there and put a stop to it. But he couldn't have known, which is exactly why he doesn't want Trunks returning there.)
Vegeta grits his teeth and fumes, trying not to lose his temper again just from the lack of response. After a long moment of that, Vegeta finally snaps and just starts to walk towards the door.]
no subject
(But you can bet that if he'd known something was wrong, he would have found a way to get there and put a stop to it. But he couldn't have known, which is exactly why he doesn't want Trunks returning there.)
Vegeta grits his teeth and fumes, trying not to lose his temper again just from the lack of response. After a long moment of that, Vegeta finally snaps and just starts to walk towards the door.]
You need to rest.