Logically, the first formulation is more correct, because the description of a computer's capabilities is a more general statement than the specific fact that it can do long division.
By the way, since you seem to be asking which statement follows from which, note that the first formulation can be written using "therefore" too, by swapping the ...
If you are being sincere when you say "you don't see them as your future spouse for some unknown reasons" perhaps you should see a therapist to figure out what those reasons are and if they are good reasons.
Love is more than a feeling. Love is a kindly action in response to a shared connection or to a lack of a shared connection.