Factors that break and don't break the fast

Q: Is it permissible to use a suppository whilst fasting?

Q: My question is during one Ramadhaan while fasting my wife accidentally sucked my private part (wife was not fasting) out of excitement. I immediately withdrew. But after that there was a seminal discharge. I heard in such a case the fast is broken. Please tell me what is the sharia'h ruling in this case? 

Q: Can we apply cream on face, hands and feet while fasting?

Q: Husband and wife kissed hugged and husband touched wife's chest during Ramadan. However the wife had her period

1. Is the fast broken or nullified?
2. Are they sinful?
3. Should they give kaffara?

Q: Does smoking break your fast? I am smoking for three years and finding it difficult to refrain.

Q: Please can you confirm does a blood test break the fast?

Q: Is it permissible to use things like lip ice, Vaseline on your lips when you are fasting?

Q: If a man ejaculates in the state of fast with the help of his thighs or a pillow or a bed etc but does not uses his hands, is his fast broken?

Q: This morning before sehri I began vomitting. After then reading my niyyat for fasting I vomitted again a mouthful of liquid water and the again (but not a mouthful). Is my fast broken?

Q: If we miss our Salaah while fasting..does our fasting become invalid?