OPKs and wth they mean πŸ˜”πŸ˜‘πŸ˜”πŸ˜‘

I am using the Easy@Home brand OPKs and Pregnancy tests.Β 
Any thoughts or comments about them?Β 
I took an OPK tonight for the hell of it (I had never taken one before and my period is very late with negative pregnancy tests and so I just wanted to use SOMETHING since I paid the money for 100 LH & 20 HCG tests!) and within the 3 minute window the instructions say to wait, the second line was there but not as dark as the control. Thats a negative result.Β 
I have questions!Β 
1. Why does the second line appear if it is negative?
2. The line became as dark as the control after 5 or so minutes, is that still a negative or is it a positive?
3. Does this mean I am going to ovulate soon? Should I be having sex?Β 
4. CAN SOMEONE PLEASE DUMB ALL OF THIS DOWN FOR ME BECAUSE I AM SEVERELY CONFUSED AND BECOMING DISCOURAGED! I want to cry, I am so overwhelmed πŸ˜”πŸ˜©πŸ˜”πŸ˜©
I really wish I had someone to talk to about all of this, my only outlet is the Glow community. *sigh*