He always looks at you. Everytime you look at him he smiles. And if your in the hall and you see him either next  to you or right behind and isn't trying to pass in front of you he is so into you.

It means that you have strong feelings someone, but you aren't together. Usually the other person doesn't know, but it's better for you to express your emotions because it will eat you up inside. Trust me.

You have to know that it's probably better this way. Then focus on something other than him. Just move on to the next one, and it will all be fine

Leave a trail of mice and crickets all the way to your destination

Animal testing is cruel and immoral. Those poor animals didn't ask for that. And 5- 25% percent of all drugs tested on are classified as useless to humans. If they're useless to humans then why test them?