延长: to prolong, to extend, to delay...
不在乎: not to care...
缓和: to ease (tension), to alleviate, to moderate, to allay, to make more mild...
难怪: (it's) no wonder (that...), (it's) not surprising (that)...
长处: good aspects, strong points...
体重: body weight...
带来: to bring, to bring about, to produce...
亦: also...
坐: to sit, to take a seat, to take (a bus, airplane etc), to bear fruit, variant of...
一边: one side, either side, on the one hand, on the other hand, doing while...