love is economics. It is value that deals in emotional and psychological currencies. It follows the laws of supply and demand, increases with scarcity and is taken for granted when in abundance. It has diminishing marginal utility and can depreciate (or appreciate) over time. It responds to market factors and its demand elasticity depends on the perceptions of the individual parties involved. It follows the law of variable proportion and it always comes with all sorts of risks. There are high-quality, high-yield bonds and there are bonds that are low-risk and low-yield. Realistic expectations are a must. As is research. It's important to know what you're getting into.
capital investment is often required.