You started seeing this guy. He is nice but there are two problems. He can't take pressure and he has a fear of commitment.
When someone enters a relationship with you they are there for the good times and the bad times. Any guy who wants out the minute things get rough is not the guy you want to be with. All couples fight and the couples that overcomes the bumps are the ones that are meant to stay together.
Think about if you are going through a hard time. You open up to your guy and he says it's too much pressure. You don't need that. When someone loves you they are there for you through thick and thin. They listen to you and reassure you that no matter what they will always be there for you.
If a guy has a fear of commitment that is another problem. You say you love him and he gets scares and becomes distant. If you want love and romance than maybe this guy is not the one for you. Focus on a guy who will give you the love and romance you want and deserve.
Personality does matter in a relationship. When you are with someone you also want to know they will be there to the end. Of course at an early stage you can't tell that. Dating someone who can't take pressure or gets scared when you say those three words is not a guy who is capable of being in a committed relationship. Focus on someone who is ready for a mature and loving relationship.