Stand next to them in public.

Drop them off near enough to school so they can be seen getting out of your uncool car.

Phone them when they are with their mates.

Pick them up from parties, youth clubs or sports activities.

Call them love, darling, baby or your pet family name for them.

Show affection to your partner while they are around.

Ask them for a hug.

Give them a hug.

Tell them to kiss their grandmother.

Borrow their clothes.

Remind them to do their homework in front of their friends.

Return from an evening out in your best gear and make up, while their friends are round.

Answer the phone to their mates.

Cry.

Ask them about boyfriends or girlfriends.

Suggest appropriate face creams that dry out the skin.

Talk about the subject of sex, sexual activity and protection.

Dance at family parties.

Leave something red or blue in a whites wash.

Attend school open evenings where every teenager present keeps their head down as they are all squirming with embarrassment at having to (a) stand by their parents, (b)arrive with their parents, (c)show they are related to said parents and (d) give parents a glimpse of the school alter ego that their teacher knows.