Two Irishmen are sitting in the bar having a few pints and a conversation get's brought up.

1: here, paddy have you heard of this thing called logic
2: logic?, what's that
1: it very good. Have you got a goldfish ?
2: Yes
1: so logic tells me, if you've got a goldfish, you've got a goldfish bowl
2: it's true, it's true
1: so logic tells me, if you've got a goldfish and a goldfish bowl, youv'e got kid's
2: it's true, it's true, carry on
1: so logic tells me, if youv'e got a goldfish,goldfish bowl and kid's you've got a wife
2: it's true, it's true, carry on
1: so logic tells me, if youv'e got a goldfish,goldfish bowl, kid's and a wife, you don't need to masterbate
1: that is so true, i've got to tell O'leary about this

So paddy goes other O'leary and says

2: Oleary, have you heard this thing called logic
3: logic?, what's that
2: it very good. Have you got a goldfish ?
3: No
2: so logic tells me your a ******