Confused about my sex life ?

So I am 22 years old Indian male , I had a bad relationship 4 years ago , my girlfriend left me so I don't have much experience with intimacy, I had just makeout with my ex 2-3 times... she was the only girl I was ever intimate with.
So after my breakup , i started preparing for a medical exam , didn't have time for girls so I was fully occupied in these 4 years and didn't even talk to girl.
Now as my exam is done, I have a lot of free time so nowadays everyday I have a strange feeling in my body , like my body just want to be intimate with someone... my mind gets foggy and I feel restless
I am tired my masturb*ti*n, but I had to do it unless I won't calm down
I started gym but this feeling won't go away
So there is this one girl , she is 20 and she is a helper in my house and I am kinda attracted to her , so nowadays I help her with her work around.
I really want to be intimate with her , but I am afraid to ask how?
I really want this feeling to go away , it's making me stress but I am really afraid to ask her for intimacy?
What should I do?
I am going to college in almost 5 months, and I can't wait that long for intimacy and I don't want any lovey dovey feeling either
So how should I ask her for intimacy and nothing serious!!
Confused about my sex life ?
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