This made him feel quite amused.
He originally wanted to add, "Hey, my dad died terribly back then..." but thought that would be too deliberate, so he held back.
Qiao Xi said she didn't care about these things anymore, but Qiao Yu actually still cared a bit, although he wasn't anxious at all.
After all, he's not strong enough now, hasn't grown to the point where he can influence that man's academic resources.
So take it slow.
The only pity is that Professor Frank was leaving the next day too.
However, this wasn't anything special.
Because most of the important reports at these long meeting mathematics conferences are scheduled for the first day.
Many people choose to leave early after attending the conferences they're interested in and after the dinner, after all, mathematicians are also quite busy.