Do you mean orgasm?
If so go to this link and it shows you how in six simple steps:
http://ezinearticles.com/?Female-Orgasm---How-to-Make-a-Woman-Orgasm-in-6-Simple-Steps&id=441132
does the same organism always react to the same stimulus at the same way
The way an organism reacts to a stimulus often results in a behavioral response that is influenced by the organism's internal state and past experiences. This response can impact the organism's chances of survival, reproduction, or overall well-being in its environment.
Structure
A stressor causes stress within an organism, hence the name. A stressor can be a stimulus like a condition within the environment or triggered by a biological or chemical agent which would be the cause of stress to the organism.
The way it goes is this: one type of cell makes tissues, many tissues make an organ. Many organs make an organ system and many organ systems make an organism.
Just not doing it anymore.
There is no "simple'' way to make a girl obsessed with you. If it was meant to be it was meant to be. There are no potions or whatever.
There technecly is no way to make an egg a girl. It's weird right?
The same way you make a girl baby
There is only one way to make a girl believe you. You will just have to show her you are telling the truth.
The girl is shy... make her feel more confident. Compliment he frequently and then kiss her softly on the lips, get her into it, make her want to make out with you.
It was Tatiana Thumbtzen.
Make it personal
Be dirty... but not in a good way
If you are the girl, then maybe you could just kiss him or something. Or, if you're this type, make it sexy or romantic in some way.
tell her that you like her and want to be her boygrieng.
eat watermelon