What Can I do??

from my 1 years old until now i only worry on a few things on my family b4!!
1.my dad accident
2.my mum heavy sick
3.my brother accident
4.the things happens now!!

this thing is the 1st time happens on my family!!
and the 1st time i face on this thing!

worry, i very very worry!!
mun pretend nothing... but she act like that i some more worry!!

last nite, go back home study!! see no ppl in the house, thinking mummy going to help daddy!!
but...
when 1am something, i heard 2 motor sounds, 1st one i dunno, 2nd is mum!!
than after that, i saw my dad van is not drove by daddy!!
i starting worry!!
asking mum, she said later she tell me!!
worry some more!!

thinking back the time!!
when this thing happen, i at Gurney Plaza.. but the thing happen is near to me... just outside...
i dunno, i cnt do anything...
many of ppls come tel mummy not to worry so much... after 1 nite should be OK!!
but there are still 1 or 2 ppls said would settle so fast, at least need 2-3 days...
why at this moment, the ppls say like that??

mummy tel me it can settle by a number of money!! call me dun worry!!
i really how to respond to mum, when she said tat!!
i feel that she will more worry than I!!
WHAT can I do???