Put my dog to sleep and now what?

Last year i had to put my dog to sleep ha dher for 16 years when i was 6 years when i took her home. i took it so very hard becouse that dog is love of my life after i put her to sleep about 4 months later it was getting closer to the day took her home that's is when i was hurting very bad i had to go to ER becouse i wanted to kill myself becouse i miss my dog and wanted to with her.that was back in April i take happy pill every morning if i ever stop will be back in the ER becouse i still miss her . i never had i a girl becouse i never wanted one becouse i had my girl and now she is gone i would like to hang out with a girl i just don't want to do boyfriend crap you have to do meet eacher family and go to weddings with each for there family or friends.i can meet a girl but then i get to cligy becouse all i want to do is to be with them and talk to them all time i had find a girl then i did that now she don't talk to me becouse i was being to cligy what can i do so i can't do that . i think i am doing becouse i losy my dog but i have a new dog it is not the same. i work mon-fri and sat sun are my days off and i go the mall on sat and just work around and look at the girls and i go see the moives . i have a job that i can retire at 55 years old i have 32 years left it's been my dream to retire fast as i can that's all iwant becouse in 20 years i am buying my beach in SC that's been my dream too to retire IN SC at my beach. i do the sme thing every day in out i can to talk to girls and there number then i push them way so what can i do to change somethings around. i know thing my hart is broken and i don't know what to do i have a new dog i don't know if i even love the dog . but there one other thing too before i had to put my dog to sleep i had to deal with losing 4 others family menber that past on and that's a lot for 22 year old in one year time . please help me