At this time, teenagers feel impatient, dried out, and stressed towards the other half either because of the lack of interest or dislike towards the bad habits of the other half.
If one side gets another boy or girlfriend, the other side feels betrayed, and revenge plans start to pop out into their minds, making them the most dangerous animal that ever existed.
They stop looking at text messages every second and spend more time hanging out with friends.
Parents feel like their children are willing to communicate with them again, and the gaps between the parents and the children are overcome.
The secret is to introduce new things slowly, especially if those things are likely to cause frowns. However you frame it, the fact that you want to date will surprise and possibly nauseate any self-respecting teenager.
Sit down with them and explain that you feel ready to seek a new partner, and that you want friendship and companionship just like anyone else.