I-like-flings(m) SG ya very pain.. i kena ed b4 too... by my fren in ns.......not only once some more. haha... pain sia... but heng.. no permanent damage done..... then just recently a gal was playing with my balls.. and she was curious about it.. and suddenly just squeeze it...... wah lau.... pain like hell lor..... so gals... pls handle it with care ok?? thanks