Months of kickflips help plz?

ok so let me start off by saying my ollies are very good i can ollie a board and almost a borad and a 1/2 ive been trying kickflips for months so thats really annoying its my front foot i can always get the board to spin i always land with my back foot i know that i fick hard at the concave but i have questions 1.why does my foot flick down and not out is there a way to practice that? 2.people say commit but what exactly s that supposed to mean ive been doing them for months 3.my friend told me to stay over the board but when i try that the board does a shuve it y and again how can i fix it?thank you everyone who helps me i really need help also if anyone knows any good tips or tricks that will help me with my front foot thank you again