They need to be self sufficient, god forbid anything should happen to their parents.
Having them be independent and able to trouble shoot life on their own is important, and inevitable. As your kids get older you can help them in other ways, just for them to know you will always be there should they have a big problem gives them a center of gravity. Go visit her where she is, plan a big family trip, way in advance, send her a care package. Hang in there ๐ฅฒ