Scratches my newly purchased iphone 7plus 128gb jetblack for no reason

Good p.m im messaging from cebu., wanted to know if its possible to make exchange of my iphone to other color or variant except of matte black and jetblack.. i just purchased this phone last october 31,2017,and its 13 days old today.,i cant keep on using the phone because no matter how carefull i am..the scratches wont stop..i dont know how to stop this problem for i think its inborn to the jetblack.. im not aware of this being like this. Really do hoping to get a positive respone from you apple.. pls made quality products that will woth our 50000 pesoses..ive been saving the money i paid to just bought iphone this is my first time using the phone.,im not not looking for the scratchless phone because thats impossible but knowing the range of days and time of having the fon with me since i bought it from store.,its so disappointed that i paid 50000 just to have the scratch home smartphone in just 13 days...the phone was on tempered glass and case before out of the box and before my hands touched it for the first time...it hurts me more to think of,that my 50 000 savings for 10years was gone..i feel terrible and deppressed for my husband dint want me to buy the iphone because of the issue that its not user friendly but i insist because i really want to have iphone in my whole life..and now i cant complain to him due to the issue that he will just scold me and blame me because i didnt listen to him..can u just please help me...im so depressed on how to solve this cause only u can solve this problem... REALLY HOPING FOR THE POSITIVE RESPONSE.. thanks and GODBLESS YOUR COMPANY...