I never had a boyfriend till now..M 18 now..!! is it weird?

my frnds have boyfrnds...de keep on talking abt dem in front of me...M really not interestd in listning to dr stuff...moreover i dont noe hw to react...n basically m not intrstd in gettin commited...for now i lyk to stick to my family...studies..etc etc....if i tell dm dt wateva de r doin isnt correct..i mean if i tell dm to conc on studies...thnk abt dr family etc de get irritated..!! so finally hw shud i react?? HELP!!!!!!