How's the grammar and punctuation?

[kubendran]

After many frustrated attempts. I ended up with a big hole in my pocket, but it was nothing compared to the hole it left in my pride.

However, during these arduous years, time was my soothing healer.

One probable solution, taking stock and calling it quits, eluded me from the start, but I was adamant to soldier on.

(Are these three sentences right?

[PowerEnglish]

1. Remove the full stop after "I" and change to "but that was nothing" and the sentence is fine.

2.

3.