I'm not hungry but i really wanna go out with him..?

so it's like the 2nd time this week he asked if i'm hungry-maybe bcz he wanted to treat me or something-but i stuttered again and said no T_T well i'm really not hungry but i wanna go out with him, help i don't wanna fail him again, that's why i need you guys to give me tips on doing something for him that he will never ever forget??please?