Just keep doing some efforts. Go out with him/her, do things together, try to kiss or try other romantic things, some day you'll see the option to have a relationship. I've been rejected and now it really has taken some time, but I've been told on this site just to keep trying.
a relationship is simply knowing another sim
You do not need to make a boyfriend if you want. You can interact with a CPU sim and you can get a boyfriend if you have a good relationship with that CPU.
Yes, you can make babies in the Sims 3.
In the Sims 3, you have to gain a relatively good relationship with the sim whom you wish to "woo". Once you have a good friendly relationship then start using some of the amorous or flirty interactions. Continue to do so and you shall (eventually) get more interactions available including "Propose going Steady" This is what you need to do to make a sim in a relationship as this is the sim's way of asking somebody out. I hope I helped!
same as you do in any other sims- get a high relationship & clik 'kiss'!
You choose the try for a baby option. Make sure you have a good relationship with the opposite sex (romantic relationships). If you don't want to you can adopt by using the phone.
They always make New Sims Game every 3 years
You get your Sims to get a job.
you can't
You can buy the nude mod or you can find it in the sims 3 exchange.
No, teens can not have children in the sims 3.
How do you make the sims 3 game brighter