Hei Daniel, No doubt there is a difference between gf and wife. What you said is true, if you gave it your best effort, everything would be fine. Use our eyes to pick wisely. The marriage/family life is far more complete than being single.
The marriage/family life is far more complete than being single.---> I don't think so this point, because you will handle for two life (especially for male), also 1+1 is not equal for two, actually 2X times. However, single problem is absolutely less than double person.