Uh, I don't believe that. What if you just want to help them?! What you say sounds very close to psychological egoism, the ethical position "that all behaviors are motivated by self-interest," that "all motives are selfish motives".[0]
[0] quick read: https://www.qcc.cuny.edu/socialsciences/ppecorino/ethics_tex...
lengthier read: https://plato.stanford.edu/entries/egoism/#PsycEgoi