1.i am so sorry/so be it, I'll do so(так уж и быть,я сделаю это)
2.I love sports because it's my life/I love candy because it is very tasty
3.I like to solve problems, but it is difficult/I can't sing,but it's not a problem
4.And although by their nature you are used to fighting, now be more careful/Look for a compromise, although it will not be easy.