To an extent, I'm not 100% opposed to animal testing.
I'm not too keen on the idea of animal testing for cosmetics, because really, we have better things to do with them than making a new tanning lotion. It's not necessary.
But if it's between a cute little bunny being tested and my father needing medicine, I'll say thank you to the little bunny but I'd rather have my dad well.
A preliminary human test isn't just unfeasible, it's a waste of resources. If you're testing an entirely new compound, and give it to test subjects (humans) who will keep dying before producing any results, how many times are you going to have to reformulate, test, and potentially kill a person? Again, waste of time and resources when you can have human subjects for final tests to monitor short and long term side effects, rather than them dropping like flies during preliminaries.
Sorry, but I also think it's a necessary evil. I love animals, but I'll be sensible about it. You can't turn your back on the fact that modern medicine was developed through animal testing. "I'm an animal lover" being the basis of your argument likely means you won't use anything tested on animals? Um, good luck, then.