Hi Doef, how about posting a thread in the intro forum - That way a 25 dollar gift card will be issued to you.
https://pheromonetalk.com/t/how-do-i-qualify-for-a-25-gift-certificate/19934
No idea about 1 and I’m not going to piss-off the Scorpios here with my opinions! 
2 however - Alter Ego is a, a sort of rougher-edged Ammo but its oil base gives it certain advantages - including a long slow diffusion - It is still a phero I use quite often and I’ve had great results with it. As Tisha says, start with one drop and work-up till you get best results.
If there is any rule with none-based pheros, it is probably “less is more” and as a 22yr old, you will still be producing a good bit of none yourself, so you need to look at lower doses rather than higher.
This thread covers the basics of phero use, incl dose and application - have a read: