Weak Defences

how do you continue to make me weak and make my walls crunble to the ground how is it that you always manage to break me down i try to push you away but you always find a way back through back through my defences you burn my wooden fences you cut my barb wire you blast my brick wall and destroy my bridges i can't get rid of you there's no way for you to go back so what am i to do now do i let you stay or force you to leave i don't know which i want you to stay i want you i love you but i don't want oyu to stay you complicate me i wanna be close to you you make me complete