If you eat something will you taste it? And if you don't know what it taste like will your mind give it a random flavor? It will taste however you want it to. Some of the best food I've ever had was in a dream.

Is it easier to sort of train yourself, Like jump 10 feet before you attempt to fly? / Spawn something little before you spawn a purple Giraffe you wish to ride? Probably. If you think it will help, it will. Dreams will behave the way you think they will.

Change I change my view from 1st person to 3rd person and vice versa?
Yes, you can do anything you want to. It's you're mind.

Should i spin around or rub my hands together?
Yes, both of these pump vividness and keep you dreaming. Spinning can be an effective teleportation method.

Is it hard to find the Lucid Cross Roads?
If you're talking about shared dreaming, I highly doubt it exists. If you're one for deceiving yourself, I'm sure you can experience a shared dreaming-like state, though you won't be lucid.

Ohk don't judge me, I'm just curious how strong our brains our...

Can you have a orgasm in a LD and if so do you feel it?
Don't worry, lucid sex is VERY common. The top 2 things people try when lucid are flying and sex, myself included. Anyways, yes you do feel it. Teenage boys generally tend to wake up and have a wet dream, but this is not always the case and is rare in adults. I've heard of some people who can expirience over 50 within a couple seconds in a dream.