How about you? are you being too open in the relationship you are keeping that is not yet marriage, you could be doing yourself some harm by exposing to the person who you are in a relationship with where you have invested which is in bitcoins, and even giving them too much information about how you have kept your seed phrase safe. The sweet relationship can go sour in a moment and that your lover can become your enemy. Unless you are married, do not share all information about you with the person you are in a relationship with.
Sharing my bank account to my girlfriend? Definitely I will not do this since we not yet married no matter how long the relationship is. Marriage makes to people legally bind so there’s no potential stealing on both side since they have conjugal property.
Long term relationship doesn’t mean you are already sure to your partner. Actually it’s the opposite because your marriage is taking too long because one of you or both is still not sure about marriage. In conclusion, Sharing information related to finances to your partner is not advisable because you will never know what is her true color once you make an opening to your finances just like what happened to the man in subject.