Money can be one of the biggest strains on relationship. Many couples are at odds financially and when things get tight, the relationship suffers. With the current state of the economy, now is probably a good time to review this older post on working together financially. Any investment you make in your relationships are going to have much higher returns than the stock market.
A saying I have often quote (it didn’t originate with me) is that there are only two things that have eternal value; the Word of God and people, therefore invest in these. Both will help get us through difficult times.