Feeling insecure is not a very nice feeling to have.
You can be there through out to support him and offer advice.
It could also be something short-term, like what to do on your next virtual date and when the next visit will be.
Add food into the mix.
Let your minds wander while you dream of the fantastic trip you are going to take in the future.
Set up the bedroom with candles and share chocolates and a bottle of wine.