@HannahTM,
HannahTM wrote:
I have a crush and he already has a girlfriend
I'm okay if I have this one sided love as long as he is happy,
No, you're not. You want him to be your boyfriend. That's what crushes want. Please own up to this.
HannahTM wrote:But what confuse me the most is,
He always seems so jealous whenever I have a light chat with another boy
Then he's possessive. This is not a good thing for him to be with people who are not dating him.
HannahTM wrote:And he always try to get my attention and impressed me,
Imagine how his girlfriend feels when he does that.
HannahTM wrote:If I ignored him, he will get mad then shows his relationship with his girlfriend,
obviously trying to see if I get jealous or not..
He's manipulative.
HannahTM wrote:I never tell anyone if I have a crush on him,
And I only hope for his happiness, even if that's mean he's with another girl..
See above. You may be a very generous, big-hearted person, but pretty much the definition of having a crush on someone is because you want to be with them. Please admit that to yourself.
HannahTM wrote:But I'm I girl who has a sensitive feelings!
Which he ignores.
HannahTM wrote:What does he want? I don't think he love me, but why he does it?
He's a jerk.
HannahTM wrote:It hurts me.. I can't bear it anymore..
And he doesn't care about that. Maybe think about that.
HannahTM wrote:if you were me, what will you do??
I would run in the opposite direction, fast.
HannahTM wrote:Please I need your advice, Thank you.
Sorry, English isn't my first language, hope you understand.
Your English is fine.
This stuff can be confusing. It does not help when someone is trying to have his cake and eat it, too (please look up that expression if it's unclear). He wants to have a girlfriend and to string you along because he enjoys the attention you give him. He probably enjoys similar attentions from other girls he is not dating. This feeds his ego and makes him feel he is more important than he truly is. You are helping him along by giving him attention even as he hurts your feelings.
So stop doing that.