You think he will leave you.
I am so secure of my husband and mines love for each other that arguments are nothing.
You will find you will go nearly every day with an argument for a period of time then a period of time where all is calm, it's a cycle where your relationship/marriage evolves and...
Yes it has been cycled and we have (sorry if they aren't the proper names):
a female dwarf gourami,
a siamese fighter fish,
2 rainbow fish,
2 skinny loaches,
3 pepper corys,
2 panda corys,
an upside down catfish and 3 tetras (silver and black striped - ghost tetras? )
A tropical fish tank.