My boyfriend has this little habit that drives me insane! Is it just a guy thing? Any advice?

Okay, that sounds familiar to me. If you enjoy these new things, do them without him. Get your girlfriends together and go. When he sees you are willing to go on your own he will appreciate the independence. Some guys do not like being depended on for everything. I do not know if it is a fear of commitment or they are procrastinators or what the real dig is. Life is too short to live it for someone else. Thing is to live together with your own personal space intact.