Read More text on front page

Hi,

Technical background: none

Hope to get: easy, step-by-step instructions

Website front page: https://www.SunnyAgain.com

Normally, if I write blog content right below a picture from the very top of the post, the first paragraph or part of will show proper excerpt on the front page.

However, I have a YouTube video instead of a picture and gave credits to Celine Dion and others. This is not the first paragraph of my post.

https://www.sunnyagain.com/dont-give-up-on-eternal-love/

https://www.sunnyagain.com/comforter-guide-for-life-the-holy-spirit/

Is there any way to have an excerpt that shows only the first paragraph or part of on the front page?