Can the outcome of Istikhara prayer vary over time and, if so, under what circumstances? Could factors like time and age of a person affect it?

IstikharaTime
Can the outcome of Istikhara prayer vary over time and, if so, under what circumstances? Could factors like time and age of a person affect it?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 2 years ago

The Istekhara is valid as far as the circumstances of the matter has not changed. 
'if the matter has changed then another Istekhara can be seen.Wassalam.