I love to crochet things hats and blankets.   Once you learn how to use the crochet hook its easy 
I have heard that crocheting is all about hooks and knots if im right?
Yes.  Crocheting completes each stitch before continuing, while knitting lets you keep lots of stitches open 
That is really intereting I had no idea it was that involved
Knitting
Knitting is a method by which yarn is manipulated to create a textile or fabric, often used in many types of garments.
Knitting creates multiple loops of yarn, called stitches, in a line or tube. Knitting has multiple active stitches on the needle at one time. Knitted fabric consists of a number of consecutive rows of intermeshing of loops. As each row progresses, a newly created loop is pulled through one or more loops from the prior row, placed on the gaining needle, and the loops from
to hold the yarn in place as the new stitch is being pulled out of the loop.
This knitting style is often easier to learn for people with crocheting experience, since the way the yarn is held in the left hand is similar to crochet, and the motion of the right hand is similar to the motion seen in crochet, although the knitting needle is held under the palm of the hand. One major difference in the motion of the right wrist is that in crochet the crochet hook may be held more like