If you are comfortable and curious, it is ok. If you aren't ready to be that physical yet, tell him that you aren't comfortable with it.
If he really cares about you, he will respect your boundaries.
most girls place their hands on a boy's neck, head or shoulders or on their hair
It is because we are still young and not suitable for all this sort of "action" like kissing , hugging and holding hands
When a boy penis starts shaking, it means it got aroused when you lean to it. It excites him that his penis started to moves, getting bigger, longer and harder. When you hold his penis actually, maybe, your boyfriend will release his semen untimely.
Penis
There is no proven method of penis enlargement, except for an expensive surgical operation to loosen and extend the muscles that hold the penis.
Yes, you are showing affection for someone outside your current relationship. Just because you aren't sticking your tongue down his throat does not detract from what you are doing.
If she wants to, yes.
It depends who you are kissing. Kissing your mum and dad or family members is ok. If it is a boyfriend of girlfriend that you have it is up to you, if you don't want to then don't do it. You should probably wait until you are older and understand more and ask your parents
Sure, hold it in your hand. It's pretty tough to do it wrong.
When he starts to hold you up and says that he loves you
No you cannot get pregnant by kissing a boy. But just know that kissing a boy can lead to doing other things. If you are not ready to have a baby, I would hold off on kissing boys.
"Johnson" is slang for the penis.