Fun fact, you know those tropes you usually see in manga where a wealthy or traditional family negotiates and decides on a marriage partner for their kid?
Well, the matchmaking this woman does is basically the modern evolution of that tradition, except instead of being entirely arranged by parents, today it's completely voluntary (that said, matchmaking itself isn't exactly new, even in the West).
The practice has grown quite a lot in recent years, which is why so many agencies have popped up.
I wouldn't choose mayo on my fried chicken though, but whatever floats her boat I guess.
Well, she's talking about Japanese mayo, or Kewpie, which is very different from the mayo most people in the West are used to, both in flavor and texture.