Is it just me?

[steplift20]

I would like to know if it's just me.
What I. Talking about is that the last time I went out with my boat I almost broke down.my over heat alarm went off and she was running hot, at one point she didn't want to start,I think it was because she was very hot, I did fix the problem but haven't been out since. I'm always very cautious and afraid that me engine would act up again
I disconnected the oil injection ,so that is illiminated
I think I fixed the over heating problem ,new OEM thermostats and a new water pump
So why do I feel so unsure about going out with my boat again.
There should be no issues but I'm not comfortable it's like I have no faith in her. Do any of you feel the same way after you fix your engine? That she might fail again?
Just curious or is it just me.
P.S. I do have on the water towing, it called sign and glide thru my insurance company.