Things to ask yourself, how long do you know each other, age difference, how long have you lived together, would you do this in your own country, I'm not against it because I did it myself and live happily together with my wife, but I always remember I have nothing here if all goes wrong, you have to be able to right everything off and forget if all goes wrong.
for my German pension i have a App I upload my passport then follow instructions with a short video of me moving my head left to right and up and down.