A "stitch" is a sudden sharp pain in your side. You often get them when you're running. However, you can also get them if you laugh really, really hard. Thus, if someone "keeps you in stitches" they keep you laughing so hard that your sides ache.
It means to raise one eyebrow.
This is not an idiom. Some people call their loved one by a pet name like "honey" or "darling" or "sweetie."
This is not an idiom. When you see AS ___ AS ___, you are looking at A Simile. This one is comparing something to the red color of a turkey's wattle.
This isn't an idiom because it means exactly what it seems to mean. It's a saying - you can't live tomorrow yet, so today is more valuable.
An idiom usually is a sentence, or part of one. It certainly can be used as part of a sentence. The way to tell if it's an idiom is if it makes sense the way it's literally written.
Keep an idea in ones head to act on it later.
This is not an idiom. When you compare two things by saying one is the other, it is a metaphor. It means that however you keep your house reflects your personality, and vice versa.
There isn't an idiom called "eggs basket." Perhaps you are thinking of the old proverb that says "don't keep your eggs in one basket."
It emphasizes uniqueness.
"A penny" isn't an idiom - it's just a one-cent American coin.
Eternal isn't an idiom. It's a word. Idioms are phrases that seem to mean one thing but mean something else.
This isn't an idiom. Telling a story means to speak and relay a tale - which can be a true one or a false one.
it means to control someone
It means to raise one eyebrow.
This is an idiom meaning to narrow your focus down. It can also mean to narrow your aim and focus on one thing to hit. Picture the zero as a target and you get the idea of the idiom.
This is not an idiom. Some people call their loved one by a pet name like "honey" or "darling" or "sweetie."
This is not an idiom. When you see AS ___ AS ___, you are looking at A Simile. This one is comparing something to the red color of a turkey's wattle.