A short story 

After sponsoring her through  University  in Nairobi for 3 years, the man tried to surprise her with  a  marriage proposal but she  turned him  down. The young lady who is now employee of a local bank told him " I'm ready to refund the amount you spent on me. I don't have feelings for you . Sorry Kelvin,lets just remain good friends  as brother and sister.

Lessons 
Don't  feed every dog you see suffering. Some just need  strength  to bite you. Becareful when helping people.