Socially clueless - help!

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This is a request thread on ‘social’ books: books on how to behave around / with other people. Like etiquette books and the famous ‘how to win friends and influence people’.
I’m sharing a bit of myself so you can better understand my request:
Due to very little social contact, I’ve kind of become a shut-in for a long while now.
A jealous, bullying older brother who I had to share a roof with; A short-tempered father strained from work and my brother’s acts; Depression and not dealing well with my sexuality – All these things made me hide and become emotionally distant from people.
While trying to be a good person (which I genuinely was back in kindergarden), I've honestly turned very flawed, egotistic and often react in a exagerated/cross way to people without even realizing I've done it.
Sometimes it’s a very small trigger: like trying to hang up for the fourth time on an old friend and it’s getting awkward. Often times, I’m just too unwilling to invest in another person’s interest, and as I’m told by my BF, everything asked from me is like a huge chore.
Outside of me partly being a carbon copy of the narcissistic, ‘parasitic’ type of person, damaging to the relationship I’m in, this is honestly something of an obstacle as I hope to pursue an active career in a field where smooth interpersonal relations are required (pic related)
In conclusion, I’m a socially clueless guy who needs to better his whole act (down to the morals and ingrained habits of thought). What books / films should I read?
Thanks in advance,