The OP didn't ask for your criticism, and doesn't need it.
Of course the OP realizes they were once alive. Doesn't make listening to the agonizing squeals of a poorly constricted mouse or rat any less painful. I fed F/T for a long time for the same reason. I eventually switched to live when my collection got so large that the wasted f/t rats from refusals got very expensive. I still cringe when a bad strike results in several minutes of heart-wrenching squeals.
And so what if the fool mouse did go right back to the house with the cat ? At least the OP did what made a difference at that moment. I do the same thing when a wild mouse gets into my house. I've got 6 cats, but they know if I catch any of them with a mouse, they HAVE to give it up, and I have no qualms about releasing that mouse back into the field behind my house.
As to not liking bugs and spiders, well most people don't. Even the majority of reptile people here can't deal with tarantulas and giant cockroaches and foot long centipedes. You were rude to the OP, and it was not called for.
Gale