It means, "If you [singular, familiar] knew what I feel each time that I set myself to think[ing] about all the moments [times/occasions]..."
If you only knew what I feel everytime a think of all of the moments.
it means sorry
feel bad
Lo siento, no.
The root of the verb for 'Lo siento' - sentir - means 'to feel.' Literally, "Lo siento" means 'I feel it." However, there are elements to the connotation of the word that involve hurt, pain, lament, etc. So it's a fairly good English translation to say 'Lo siento' means 'I'm sorry,' which is how it is regularly translated.
If you only knew what I feel everytime a think of all of the moments.
Lo siento means Im sorry.
it means sorry
feel bad
Lo siento, no.
I feel good
The root of the verb for 'Lo siento' - sentir - means 'to feel.' Literally, "Lo siento" means 'I feel it." However, there are elements to the connotation of the word that involve hurt, pain, lament, etc. So it's a fairly good English translation to say 'Lo siento' means 'I'm sorry,' which is how it is regularly translated.
I feel that something changed
Lo Siento = I'm sorry or pardon me mi vida = my life so, I guess I'm sorry my life.
That translates to "I feel all of my pain"
"I feel so old today."
It means: and I feel happy being myself.