I know it's doable - great to hear Ginger!
So if your accustomed to var you should be able to go up to 15-20-25 if your body is agreeing w/you! Plus I hear w/var you have a much better chance(or from who I've talked to) say that things usually go back to normal(it may take time but usually does)....
So just read your above post lol... I'd say your a prime cadidate to go up for sure!