The two fishes represent the physical body and the soul. Unlike birds that fly in symmetry, fishes often swim up stream. The meaning for Venus in Pisces is, unconditional love. How do we know when we are in love? The chemistry we feel physically is very real and not often clear.
The look in someone's eyes is what contributes the love of the soul. Love can be giving someone time to vent. Just listening to the emotional chaos in another's words is love.
The ability to synthesize what it is to love is the planet Mercury. He collects facts and tells stories. Like the fishes swimming in opposite directions, he often sends folks around the corner to get to the same spot.
Contemplating Descartes, “I think, therefore, I am”, is paramount to acknowledging to be alive is to have an ego. Mercury’s strength is communicating ego. The trick is to relay the raw to the purpose, the Sun.
Please read your rising sign
For most of April you are wrestling with Venus. The conflict of loving that is also a battleground.
The easiest way to deal with this is business. In business we can cover up all moral duality with brute force. Just realize sometimes, you might not have a straight flush. Technically, feelings are secondary In the world of making money. Tell that to Bernie Madoff or any real estate developer.