What kind of arranged marriages have you had to particular guns and cartridges? For example, a policeman may use a 9mm Glock not out of choice, but out of job requirements. In my case it was the 45ACP 1911 for bullseye shooting-- the 45 caliber is required, the 1911 was the only gun accurate enough to be competitive.
How has this marriage turned out? Did it blossom into something you like? Or is it a sour relationship?
In my case, I hated the 1911 at first, but have really grown to favor it for target shooting. I shoot more 45ACP than anything else, except 22LR.