1)People keep pets because they want to take care of someone
2)As for me the best pet is dog, because they will never betray you
3)I think, that keeping friends is more interesting, because you can communicate with them and because pets are cute
4)People want to have friends because they don't want to be lonely and they need to trust someone
5)People go to museums and galleries because they would like to find some inspiration which will help them to do something