Papaya and Grapefruit Shake

How about papaya and grapefruit mix with yogurt. It's good for constipated like me...
Ingredients:

1/2 grapefruit

1/4 slice of papaya

1 cup yogurt (unsweetened)

Preparation:

Squeeze grapefuit, pare and cube papaya. Put all all the ingredients into the blender, mix well. I didn't add honey, the papaya is already sweet.