An example of the endowment effect?

It's more about him being the one to present it imo

SHOCKING: test-retest reliability of tomatoes for people at the supermarket is not perfect!

She's feeling very resentful toward her boyfriend/husband.

familiarity => contempt, i.e. no man is [fruit] prophet in his own [supermarket] land.

NIH - Not Invented Here

She believes her discernment is her moat as a wife and so must protect its perceived value.

The likelihood that this was choreographed is quite high. If it wasn’t, then that person refusing his offer is clearly mentally ill.

They must be married. Any idea of YOURS is a bad idea (even if it’s a good idea).

No, in this case, she’s just showing her man that her tomato-picking skills are superior to his, and hence, she is the boss.

What’s that?

When people assign less value to something they don't own compared to something they do.