She may be facing awful economic and social conditions, but it still takes courage, vision, and a sense of hopefulness for a foreign woman to make the choice to sign up with a global dating agency.
So, the old stereotype of an Eastern European lady as a pushy, materialistic, green card bride, which was always a gross exaggeration of the worst Russian ladies, is much less true today.
So, give up any overt or subliminal desires to control a younger woman, because this is perhaps the single most corrosive thought that can creep into any relationship and it will almost certainly eventually doom the marriage.
There is nothing wrong about being open to dating and perhaps marrying a younger woman, but do not fixate on it.
And recognize that she is going to grow and develop throughout your relationship, in fact, whether you are twenty-five or eighty-five, so will you.
So, be flexible about the dynamics of your relationship, because they will change.