You are quite sensitive and emotional person. You take things to heart easily without analysis.
As per your chart, yes, you could get married to your current girlfriend. You would get married to the person of your choice and you are fortunate in the matters of conjugal and family happiness.
If the birth details of the boy are shared the analysis could be better and marriage match compatibility can also be assessed. You have a happy married life with conjugal happiness.
Aquarius ascendant with the ascendant lord Saturn debilitated and posited in the third house conjunct Jupiter; Seventh lord Sun posited in the fifth house; Moon posited in the eleventh house and has full aspect on the seventh lord Sun; Mercury posited in the Virgo Navamsha in the seventh house in exaltation in D9.