Meaning quarrel is part of a relationship, right? However,
quarelling without constructive feedback and a heart for
forgiveness will make it hard for the relationship to improve
further.
EbiTenpura, in your case, you have to talk to your guy and ask him
what is bugging him. Work it out and approach the problems
TOGETHER. If he is unwilling to share, give him time. If you cannot
take it, you have to tell him your concerns.
One way or another, you two will get past this hurdle. What the
result will be is up to the two of you.