I'd say their relationship is more like a person and animal. The MC is the owner. And Randy is the random animal she picked up from the street. While Randy just comes and goes as he pleases.
@Mwarf the word fuel is from around the year 1200 and tank from 1600. The words aren't related directly of what we think now when we hear fuel tank like from a car. Wood can be a fuel if you're using it for a fireplace, and a tank can be any container.
That's a funny rissotto, like idunno, adding milk feels odd. I dunno about the bacon either, whatever I'm no expert. As soon as she mentioned milk in rice, i just can't help and imaging rice pudding, haha. Savory rice pudding...