We have these ideas put into our heads that we should get an yearly start on life because were not going to be here forever. but when in fact that an average person now lives to be 80 or more. so we do have time to do what we want to do. SO having a career and family should come secound and what I or You want to do should come first.
You always see thouse TV adds about waiting for sex and its a good thing. Sex can wait. You don't have to wait for marrage but wait for the right person. He or she well come along it may take a while for some people but it does happen. And if your going to have sex have protection. Use a Condom, they sell them at every drug store.
Sex can wait so can marrage a family, even your career. as long as you get out of life what you want out of it. don't let people make it for you.