You just ignored ko threat at 1, so your opponent played at 2.
He sits back in relief that he got enough from the ko, but after a while, your concentrated staring at 2 makes him bit nervous, make his nervous state real thing :)
(;AW[rs]AW[rr]AW[qs]AW[ps]AW[os]AB[sq]AB[rq]AB[qr]AB[pr]AB[pq]AB[oq]AW[rp]AW[qp]AW[or]AW[nr]AW[nq]AW[np]AW[mo]AW[nm]AW[ol]AW[pl]AW[ql]AW[qm]AW[rk]AW[qj]AB[rl]AB[rm]AB[qn]AB[pm]AB[on]AB[oo]LB[rp:1]LB[qp:2]AP[goproblems]
(;B[qq];W[op];B[pp];W[po]
(;B[qo];W[sp];B[pn];W[sr]
(;B[po];W[sl]
(;B[sm];W[rn]C[He plays this move with the expression - are you serious ?]
(;B[sk];W[sn]
(;B[ro];W[sl]
(;B[so];W[rp];B[rm]C[Your opponent just said very silently for himself 'oh damn'RIGHT])
(;B[rm];W[sm];B[so];W[rl];B[rp]C[RIGHT]))
(;B[so];W[sl];B[ro];W[rp];B[rm]C[Your opponent just said very silently for himself 'oh damn'RIGHT]))
(;B[ro];W[sn];B[so];W[rp]C[Now your opponent looks very content, as you destroyed so many ko threats.]))
(;B[sn];W[ro]C[Now your opponent looks very content, as you destroyed so many ko threats.])
(;B[ro];W[sm]C[Now your opponent looks very content, as you destroyed so many ko threats.]))
(;B[ro];W[po]C[You are not serious are you? :)]))
(;B[pn];W[sp];B[qo];W[sr]
(;B[po];W[sl]
(;B[sm];W[rn]C[He plays this move with the expression - are you serious ?]
(;B[sk];W[sn]
(;B[ro];W[sl]
(;B[so];W[rp];B[rm]C[Your opponent just said very silently for himself 'oh damn'RIGHT])
(;B[rm];W[sm];B[so];W[rl];B[rp]C[RIGHT]))
(;B[so];W[sl];B[ro]))
(;B[ro];W[sn];B[so];W[rp]C[Now your opponent looks very content, as you destroyed so many ko threats.]))
(;B[sn];W[ro]C[Now your opponent looks very content, as you destroyed so many ko threats.])
(;B[ro];W[sm]C[Now your opponent looks very content, as you destroyed so many ko threats.]))
(;B[ro];W[po]C[You are not serious are you? :)])))
(;B[pp];W[qq];B[qo];W[sp];B[ro];W[sr]
(;B[so];W[om];B[pn];W[op])
(;B[op];W[so];B[sn];W[sl]))
(;B[po];W[qq];B[ro];W[sp];B[so];W[om])
(;B[ro];W[qq];B[pp];W[sp];B[qo];W[sr]
(;B[so];W[om];B[pn];W[op])
(;B[op];W[so];B[sn];W[sl]))
(;B[qo];W[qq]
(;B[pp];W[sp];B[ro];W[sr]
(;B[so];W[om];B[pn];W[op])
(;B[op];W[so];B[sn];W[sl]))
(;B[ro];W[sp];B[pp];W[sr]
(;B[so];W[om];B[pn];W[op])
(;B[op];W[so];B[sn];W[sl])))
(;B[rn];W[qq];B[pp];W[sp];B[qo]))