It happends to me already when I earn some big money from steemit before.I saw a mother and daughter asking for food they are not asking money but just for food so I let them eat with me snd with my kids then I figure out that the mother has a little mental problem .Because of I have extra money I gave them 100 pesos and told them to go home because its raining.

Sometimes helping makes you blind you wouldnt if they fool you or take for granted as long as your intention is good that you help with all your help and that makes you happy.