What does it mean when a guy tells a girl "I keep track of mine"?

[helhel103]

what does it mean when a guy tells a girl "I keep track of mine"?

[Samanosuke47]

My interpretation, he keeps track of you, or watches you/knows who your hanging out with.

[michitas]

when does the guy say that?

[Anonymous]

i'm guessing he keps tabs on his gf