Lets hope this doesn't do a john wick. (the potential is their and it could make any one of these chapters a turning point just like reborn! did) This couple is too happy together , also dude has a surprising amount of trust in his wife(hopefully not forged in Stockholm syndrome)
Even though someone with a personality like hers could easily get married(she's strong for not trying to become a mooch of a house-wife though) , she has so much social anxiety that simply talking to a store clerk would probably be out of the realm of possibility. Poor girl. Let alone having a...
If a scenario like this happened IRL the pharmaceutical company had better be paying the test subject, because this thing would put them at risk of being considered an identity theif.