Im sick of other ladies calling MY boyfriend 'Love'?

Grr, everytime he rings someone on the phone, an elderly lady in her 40's sometimes answers the phone & calls him 'love!?' like for example when theyv finished on the phone she will say 'bye love' or 'thanks love' i feel threatened by other females when they do this cause they seem like flirty tarts much, it just pissis me off, grr! what to do? ...