Two reasons not to loan this guy that cue again:
1) You said you found a nick in it. Don't be shy about this - tell this guy flat out that there's a small bit of damage to that cue that wasn't there before you loaned it to him. It may be circumstantial evidence, but there you go. No nick, he used it, new nick.
2) You say he's promised you massages for the cue loan and you've never collected. There's another reason to stop loaning your cue to this guy - he makes promises to you that he doesn't keep. All you're doing by loaning the cue again and again is enabling that sort of behavior.
As far as him beating you with your own cue - that's a relative non-issue. He just was shooting well in general at the time. To deny him the loaner for those reasons would be terribly petty. The stuff above, however, are (IMHO) valid reasons not to loan this guy your cue ever again.
1) You said you found a nick in it. Don't be shy about this - tell this guy flat out that there's a small bit of damage to that cue that wasn't there before you loaned it to him. It may be circumstantial evidence, but there you go. No nick, he used it, new nick.
2) You say he's promised you massages for the cue loan and you've never collected. There's another reason to stop loaning your cue to this guy - he makes promises to you that he doesn't keep. All you're doing by loaning the cue again and again is enabling that sort of behavior.
As far as him beating you with your own cue - that's a relative non-issue. He just was shooting well in general at the time. To deny him the loaner for those reasons would be terribly petty. The stuff above, however, are (IMHO) valid reasons not to loan this guy your cue ever again.