Blood test

2 chldrn were sitting
outside a clinic
1 of them was crying v.loudly.
2nd Child: Y r U crying?
1st Child: I came here 4 a blood test
2nd: So? Are you afraid?
1st: No. 4 d blood test, they cut my finger.
At this, 2nd started crying
The 1st one was astonished n
askd: Y r U crying nw?
2nd: I came 4 a urine test ...