Having trouble with relationships

I am a 22 year old woman who graduated college and am starting my adult life by serving my country for a couple years once I get into prestine shape. I have always had trouble finding a long-term relationship.

Friends and family would either say:

family and friends say what...? there is no information here to form an response. please add some details on your personality, appearance and attitude as well as guys you are attracted to appearance, personality and attitudes