In this country, usually the men are reluctant to take the final step, because they have a pretty good idea about what they will be giving up when they are married.
Women push harder once they have the "rock". (Cynical women go in and have it appraised at a jeweler when they get one off a guy)
More than a few of them are pushing for it so they can start having babies that are legitimate in the law's eyes.
Biology is Destiny ---- all that crap.

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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...
1995 E 420, 170k "The Red Plum" (sold)
2015 BMW 535i xdrive awd
Stage 1 DINAN, 6k, <----364 hp
1967 Mercury Cougar, 49k
2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive

(sold)