y l mttam su tham kinca mt bn tr v vn kh ln nh khi quan h tnh dc. giai on sung nhng ti cha bao gi t c khoi cm d mi 20 tui, dch nhy khng c hoc rt t.Ti rt hoang mang v lo lng, khng bit c phi b bnh khng? Bn trai c gng rt nhiu, ti cng t th lng c gng ht th nhng mi chuyn dng nh vn gim chn ti ch v xu i. Ti tht s s hi. Bc s c th t vn gip ti c khng? Cm n bc s. (Lanh).

Tr litm s:Bn gi thn mn,S tit dch sinh dc v t khoi cm khi quan h tnh dc ph thuc vo nhiu yu t nh i tc, tm l, khng gian, tui Nu bn c tnh yu v bng nhng c ch u ym, thn mt trc tc ng n h thn kinh to ra cc dch tit m o gip vic quan h tnh dc c m mn.Tuy vy, khi hi cc yu t gip tm l bn thoi mi m bn vn b kh, khng t khoi cm th nn gp bc s sn ph khoa thm khm v t vn thm, k c cng c h tr bi trn.Chc bn lun vui khe.Theotap chi dan ongva doi song