If you enjoy spending every moment with them. You look forward to seeing them, and being around them makes you happy. Just seeing their face lightens your day. When you are apart you think about them, and wish you were with them. You like how they act, what they do for you, and how they treat you. You share common values, and have respect for each other. Both of you find yourself looking into each others eyes, and have a deep sense of trust that can't be broken.
no
if he makes you feel comfertable
Tell him
warn the person you like
You should not date someone when they are with someone else because that means that the person you are with is cheating.
if you know him ask him out but if not get to know him first
you should know when they are talking to you.
There should be a bite mark!
How should I know. Go ask someone.
never bully someone that bullied you because you know how it feels.
No, you should always tell someone if you or someone you know is being bullied.
If you are dating someone that is to be monogamous then your partner should not be holding hands with someone else.