dude if i were you i would
1- explain to her that your techie life is a mandatory and she deserve all of your time but that is life work and live
2- immediately i would give her a good fuck that she will never forget for the rest of her life
3- considering you're rich enough to have a house,apartment,Filla whatever place to live i'd offer her a marriage ring
4- all these advices is coming to you from a single 27 years old middle eastern male who have never seen a pussy in his life
5- girls deserve to have your time unless you want her just for bed ... not for a life time relationship (Marriage)