Tell me about the bitter side of ur relationship?

i know tht even when ur inlove there are problems and arguements ..its part of life... but i dont know how much is too much....ive been with my bf for a yr i love him but i always wonder what its like to be with some1 else ..can it be better or worse... hes my first serious relationship.. we do have problems like i dont get his humor i dont find him funny at all..he snaps easily... i c him everyday and im gettn bored of it but whn i dont c hi, for 2 or 3 days thn id wana c him.. sometimes i feel like the love is fadin away but at times i feel lucky tht im with him..i just wana knw anything tht u cn tell me about the bitter side of relationship and if what im experiencing is normal