If the two of them are very serious about this marriage relation it can very well be a success.
Uuuh... Yes... =.=
there is a fixed age for marriage. they should know the difference between attraction and love. physically fit alone is not the criteria for marriage.
You are legally her aunt through marriage.
Do you mean "courtship"?
Yes, As long as your gotras are different marriage is possible according to Hindu law. But you must acquire the permission of both groom and brides parents.
You would be a first cousin by marriage, in other words, there is no direct relationship between you.
Physics made computer science possible
that's fine because the only relation between you two is through marriage, not blood
Yes. Canada has no residency requirement for marriage.
what is the difference between man made attraction compared to natural attraction
Yes, arousal is certainly possible. But there is a difference between arousal and attraction.
The gravitational attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres.