old man

a 90 yr old man named mr.smith decided one fine day,that he should donate semen,before he dies.
he visits the largest semen bank of his state and meets a lovely lady at the reception..
mr smith----i want to donate my semen..
the lady--- r u sure grandpa/
mr. smith----yes dear..
the lady was amazed but cant refuse him,so he had given a bottle and told him to go to the adjoining room and get semen in the bottle..after 1 hr when mr.smith didnt return,the lady went straight to that room and knocked---r u ok mr. smith......
mr.smith came out with face and body covered eith sweat..
the lady---what happened?
mr.smith---
first i tried with one hand...
then with other hand...
then i rocked it in the wall...then i applied vaseline...
then i tried screwing it in the basin...
then i was tired...
then i tried with my hankie..
but...oooooooh my god....
I COULNT OPEN THE BOTTLE****