You're going fast !
The kiss is not mandatory, touching as well but it's good you invest in that department.
What matters most is taking the girl home, for now.
Maybe they don't feel comfortable, maybe they judge themselves, maybe they act according "personal rules", maybe they are not dtf...
Can't know.
You can ask them with sincere curiosity and an open mind and they May open to yourself.
Keep doing what you're doing you are going to get laid.
Quick question :
Where do you touch them, hug, forearm Light touches... Inner thighs...?