^^
Obviously she’s a girl. Only girls are worried about shiduchim at 18. Guys (as long as they’re normal) are never worried about shiduchim,….they have a much broader choice and can get married at a later age. 5ft3 for a woman is OK! dont worry. My mother is as short as you and my father is of average height (5.10),…but we (the sons) are all over 6ft,…including one who’s quite big: 6ft4.