The speaker is quite nervous.
Think of when people are married and sometimes one of the spouses gets "cold feet". It is not because they are sick or cold or even old. They are just nervous.
It is that. For example “I believe that...” can turn into “I believe...
He will have 956 crates with one pumpkin left over
<span>Solzhenitsyn believes that writers and artists can express their feelings.</span>
