Long distance relationship help!! havent seen him in over a month and im going to see him in about 2 weeks?

i want to do the iest thing for him and try to make him as happy as i can. anyone got any ideas??? i just want to make this trip sooo worth while. we live over 700 miles away from each other. i just want to make it a time he will never forget. does anyone have any good ideas?? i just dont want him to be thinking of any other girl and i want him to know how much i am committed to him. i love him and i want to have his kids and i want to get married. i want to somehow show him how much i mean that. anyone got some advice??? b/c damn i need it. ill have about 500 dollars to spend on this trip. anything woul d be helpful!! thanks!! <3 love you guys!