I wouldn't look friendly if I were in a cage either.
Just let that commercial ad on TV guide you. The one where The person comes home with a new adopted animal and they try to make they animal feel at home but the animal balks until finally the human quits. The animal then initiates contact or play.
quick notes:
Fleas. Hard to get rid of. Frontline and Advantage are the bast out there. Don't use anything else. If your cat has fleas there's a excellent chance your cat also has worms. Fleas carry worm eggs in them - cats eat the fleas and the flea eggs. Ask your vet for a dewormer. It's applied just like the anti-flea stuff (the new stuff anyway)
Get your cat used to his or her paws being handled. This'll make it easier to trim the cat's nails in the future. IMO, declawing a cat is barbaric and cruel. You don't want a fight when trying to trim the cat's nails. You've had a paper-cut before? Try a deep cat scratch.
If your cat is just sitting there and it blinks at you, blink back. It's saying hi.
If your cat likes to suck on parts of your body like your earlobe and it's uncomfortable for you, apply some lemon juice concentrate to your earlobe for a few days. The cat will sick, get a surprise and quickly get the message.
Don't give your cat the tuna fish water from the can. Far too much sodium for the cat's kidneys to handle.
No chocolate. Theobromine (scientific name for chocolate is theobromine cacao) is toxic to both cats and dogs.
If ever a cat delivers you a mouse or a bird, its the biggest compliment a cat can do you. It's showing you appreciation for being its friend by giving you something your cat could've used as food.
Another biggie is when a cat rolls over whenever you approach. If you notice you cat collapses wherever it happens to be and rolls over on its back - that's like you're Steven Tyler and he's Wayne Campbell.
One more thing; If you can help it, don't let your cat outside. Your cat will be just as comfortable and a thousand times as safe inside. Oh, and get it fixed before its first birthday (around 8 months).